What is the product of (1 - x) (1 + x) ?

It is a tentative conclusion or answer to a specific question raised at the beginning of the investigation.

Linen is made from what plant?

What are the factors of $$a^2\ -x^2$$  ?

It is the most reliable measure of central tendency.

Find the mean of the following score: 15, 16, 17, 18, 19, 20, 21, 22, 23

Which sea is the saltiest natural lake and is also at the lowest elevation on the face of the earth?

It is a sampling techniques where N individulas or items in the population are divided into separate subpopulation according to some common characteristics.

In a class of 40 students, 27 like calculus and 25 like Chemistry. How many like both Calculus and Chemistry?

Find the 30th term of the sequence 4, 7, 10, 13,....

In a throw of two dice, the probability of obtaining a total of 10 or 12 is _____.

What mammal lays eggs?

The most electronegative element among the following is_____

he oldest rocks in the earth's crust were once molten, and came from deep inside the earth. The molten rock, called magma, spewed out in volcanic eruptions during the earth's early life and solidified into hard rock's called_____.

Carmen is 12 years older than David. Five years ago, the sum of their ages was 28. How old are is Carmen?

Which of the following is a rational function ?

The gas present in the stratosphere which filters out some of the sun's ultraviolet light and provides an effective shield against radiation damage to living things is______,

The inherited traits of an organism are controlled by _________.

They live in abject misery. He offered an abject apology. She thought he was an abject coward. The word "abject" means _______.

The molecule which has the highest percentage of ionic character among the following is ___________.

The main active constituent of tea and coffee is_________.

The hardest form of carbon is________.

Find the correctly spelt words.

Some proverbs/idioms are given below together with their meanings. Choose the correct meaning of proverb/idiom, " TO CRY WOLF"

The great Victoria Desert is located in_______.

What is another name for the Paleolithic Age?

Ang mga salitang “Sus!”, “Aray!” at “Yehey!” ay isang paraan ng pagpapahayag ng damdamin na tinatawag na sambitla o ______________.

Which of the following is the SI Base units of mass?

The tendency of an object to persist in its state of rest or uniform motion in straight line is called _________.

Yoweri Museveni has won the sixth term as the President of which country?

The group of minerals chemically containing hydrocarbons is_________.

The highest sand dunes are found is______.

Solve for x in the equation: $$4^x\ =\ 8$$  .

If f(x) = $$x^2\ -\ x\ +\ 1$$  , what is f(-1) ?

Which of these factors distinguish one speaker from the other speakers?

Evaluate $$\log_4\left(\frac{1}{16}\right)$$  .

Ito ay barayti ng wika na ginagamit sa isang tiyak na lalawigan o kapuluan.

Which of this doesn't use non-verbal communication?

When did Ottomans conquer Qatar?

This is use in statistics when you have collected data about one categorical independent variable and one quantitative dependent variable. The independent variable should have at least three levels (i.e. at least three different groups or categories).

How many prime numbers between 40 and 240 ends with 4?