Use substitution to solve the linear system of equations.

y=x-2

2x+4=y

(-6,8)

(6,8)

(-6,-8)

(6,-8)

The ratio of dogs to cats at the local pet store is 5:3 If there is 12 cats at the pet store, how many dogs are at the pet store?

Which of the following is not a literal equation? a. x = y 3 b. x2 y2=z2 c. n n = 10 d. a/b=1

Sarah ran 2 miles and Jaime ran 15, 840 feet. How many miles did they run together? (The conversion factor is 5280 feet/mile.) A. 10,560 miles B. 10,560 feet C. 5 miles D. none of these

A local gym instructor has a course load that allows her to teach eight classes. At an interest meeting, 8 people wanted high--impact aerobics, 64 wanted low--impact aerobics, 11 wanted jazzercise, and 31 wanted step exercise.

What is the value of the expression 3a

Which property explains why these two expressions are equal? a (b + c) = a (c + b) A) identity property B) symmetric property C) associative property D) commutative property

Steve paid 10% tax on a purchase of $40. Select the dollar amount of the tax and the total dollar amount Steve paid on the number line.

Solve 12 = 3/4n using the equation method

A = {1, 3, 5, 7, 9} B = {2, 4, 6, 8, 10} C = {1, 5, 6, 7, 9} A ∩ (B ∪ C) =

What is - 5 equals I + - 4