Math

If A = {x | x is a prime number} and B = {x | x is an even number}, what is A ∩ B?

• {0}

• {2}

• {2, 4}

• Ø

Write 1.43 × 10^-6 in standard form.

• 0.000143

• 0.0000143

• 0.00000143

• 0.000000143

Tags

CCSS.8.EE.A.3

Write 58 000 000 in scientific notation.

• 5.8 × 10⁶

• 5.8 × 10⁷

• 5.8 × 10⁸

• 5.8 × 10⁹

What must be multiplied to 8xy to make it a perfect square?

• 8

• xy

• 8xy

• 8x²y²

Tags

CCSS.HSA-REI.B.4B

What is the product of squaring a binomial?

• monomial

• binomial

• trinomial

• not a polynomial

In an apartment building, 2/3 of the residents speak Spanish, 1/4 speak Filipino, and the remaining 2 residents speak English.

How many residents are there in the building?

• 10

• 12

• 20

• 24

Tags

CCSS.4.MD.B.4

In an apartment building, 2/3 of the residents speak Spanish, 1/4 speak Filipino, and the remaining 2 residents speak English.

How many residents speak Spanish?

• 12

• 16

• 18

• 19

Tags

CCSS.7.EE.B.3

Pia has 6 fewer balloons than Mike, and Cathy has 5 times as many balloons as Pia. If Mike has n balloons, which of these represents the number of balloons that Cathy has?

• 6 - n

• n - 6

• 5n - 6

• 5(n - 6)

Tags

CCSS.6.EE.B.6

Find the value of x if the average of 1.5, 1.25, 1.0, 1.75 and x is exactly 1.5?

• 1.25

• 1.50

• 1.75

• 2.00

Tags

CCSS.7.EE.B.3

Let U = {all students}

A = {students who like drama}

B = {students who like dance}

C = {students who like art}

Find the number of students who like art only.

• 8

• 9

• 10

• 11

Tags

CCSS.HSS.CP.A.1