Solve the system by substitution:

-4.5x-2y=-12.5

3.25x-y=-0.75

The perimeter of a square and an equilateral triangle add up to 77 cm. Both figures have sides of the same length. How long is each side?

Valerie mixes 5 parts liquid fertilizer for every 9 parts water to make fertilizer for her garden. How many quarts of water and fertilizer does she need to make 20 quarts solution?

Tomas drew a rectangular with an area of 6 square centimeters. What is the greatest possible perimeter for this rectangle

Which statement is true? a. |-12| = - 12 b. |-4| < 3 c. |-5| > 0 d. |-8| < |8|

If a^b/4=16, for two positive integers a and b, what is one possible value of b?

The function f (x) = 12x + 50 gives the amount of money a worker earns for working x hours per week. What is the inverse function?

Joann is having a party. she wants to make punch. the recipe for punch uses 4 pints of orange juice, 5 cups of apple juice, 1/2 galloon of lemonade and 2 quarts of pinapple juice. joann says her recipe will make 30 cups. is she correct?

Sk . It 8. The ratio of dogs to cats at the animal shelter is about 2 to 3. If there are 26 dogs at the shelter, about how many cats are there? -

F (x) = (x - 2) ² (x+1)

Hailey has 9 Spirit wear tops and 4 pairs of jeans. How many ways can she pair a top with a pair of jeans?