The area of Lake Superior is about 4 times the area of Lake Ontario. The area of Lake Superior is 78,114 square km. what is the area of Lake Ontario? (Write an equation that can be used to solve the prob. Do NOT solve.)

Multiply. -7(y - 2)

Factor 8x + 10y - 22.

2.9, #19 (Write an equation that can be used to solve the prob. Do NOT solve.)

Rename the additive inverse without parentheses. -(3x - 5y - 6)

Simplify. [7(x + 5) - 19] - [4(x - 6) + 10]

Factor ax - 7a.

A game board has 64 squares. If you win 35 squares, how many does your opponent get? (Write an equation that can be used to solve the prob. Do NOT solve.)

Simplify. (3x + 2y) - (5x - 4y)

Collect like terms. 2.7x + 2.3y - 1.9x - 1.8y

Simplify. 2x - 4y - 3(7x - 7y)

Simplify. 2a - (5a - 9)

A movie theater took in $438.75 from 117 customers. What was the price of a ticket? (Write an equation that can be used to solve the prob. Do NOT solve.)