Why are the expressions 3 (y-2) + 2 (y-2) and 5 (y-2) equivalent?

An angle measures 72° less than the measure of its complementary angle. What is the measure of each angle?

The area of a square is 49 square inches. Find the number of inches in the length of a diagonal. Express your answer in simplest radical form.

Divide. Write in simplest form. To type a mixed number, leave a space between the whole number and the fraction. 1/8 : 1/2 = 3/4 : 9 = 1/3 : 8 =

Choose the equation that models the problem. Luisa won 17 tennis matches last summer. She played a total of 26 matches. How many matches did she lose overall? Let l represent the number of games that Luisa lost. a. l - 17 = 26 b. l + 26 = 17 c.

How much fence would you need to replace the fence of a 30 foot by 40 foot playground? How much sod would you need to re-sod the lawn?

A dam is built in a remote area to provide electricity to a nearby town What is a unlikely effect of the dam

Jeremy caught 8 fish in a contest. The mean weight of the fish was 4.3125 kg. He forgot to make his own record of the weight of the last fish, but the first 7 were: 4.3 kg, 5.3 kg, 6.8 kg, 2.6 kg, 3.2 kg, 4.4 kg and 4.8 kg.

Rick has a collection of 6 video games. He lets his best friend borrow 2/6 of his video game collection. Write two fractions equivalent to this number. Explain how you can came up with the fractions.

Star makes skirts as a hobby. It costs her $34 to make one skirt. Her fixed costs are $275. If she can sell her skirts for $45, how many must she sell to break even? SHow your work or Explain your work. A) 25 B) 15 C) 8 D) 28

Simplify the expression: 5 (2j + 3 + j) using the distributive and commutative properties and combining like terms below: (i need 2 equations)