Consider the system of equations: 3x - 4y = 12

2x + 6y = 18

Choose all of the equations that could be used when solving this system by substitution.

x = 9 - 3y

y = 18 - 3x

y = 3x + 3

x =

4

3

y + 4

What is 0.90 as a percent

Once simplified, what expressions are equal to - 4x-36?

What's the product of - 1/8x5x2/3

12.5x+2.5y=5 find x and y

Solve by completing the square 3x2 + x - 2 = 0

Do the pairs (-5,-3), (-1,5), (-7,-7), (0,7) repeat linear functions? and how?

Robert went to the grocery store and purchased cans of soup and frozen dinners. each can of soup has 300 mg of sodium and each frozen dinner has 500 mg of sodium.

Identify the function in which y varies directly with x. y = 0.5x y = 0x y = 4x + 1 y = 2x - 7 confused on if its A or B

Farhan has three pieces of rope with lengths of 140cm, 168cm and 210cm. He wishes to cut all the three pieces of ropes into smaller pieces of equal length and that there is no leftover rope.

You need 2 gallons of juice for every 12 people attending the open house. How many gallons of juice would be needed for 156 people?