X & Y intercepts graphs

Solve for the y-intercept of the linear equation: $$3x+4y\ =12$$

State your answer in the form of an ordered pair.

(a)  

Find the x and y intercepts for the following linear equation in Standard Form:

$$5x+3y=15$$  

Which step should be solved first in the following equation?

$$\left[8-\left(12\div3\right)+2\right]\times4$$

What is the value of this expression?

$$50-\left(3\times5\right)+\left(2\times4\right)$$

(a)  

What value is equivalent to this expression?

$$20-7\times2+\left(12\div3\right)$$

James wants to save money to buy two new games. He had $35 from his birthday, and he saved $5.20 each week from doing chores. The amount of money that each game costs is represented by the expression below.

$$\left[35+4\left(5.20\right)\right]\div2$$

(a)  

What is the value of the following expression?

$$\frac{5}{6}-\left[\frac{1}{3}+\frac{2}{9}\right]$$

Which statement is true about the parentheses in this expression?

$$5[(14+5)-3\times2]$$

Brianna is baking some cookies. She used $$\frac{1}{2}$$ a cup of flour in her first batch. She then makes 3 more batches with 2 cups of flour each. The total amount of flour that Brianna used can be found using the expression below.

$$\frac{1}{2}+\left(3\times2\right)$$

How much flour did Brianna use?