Solve system by substitutition or elimination.

9x-8x=9

-18x+16y=-18

Six students share eight apples equally. how many apples does each student get?

What is the the sum of the multiples of 35 rom 36 to 153

What's the answer to 6/7 divided by 3/11?

Consider a post office with two clerks. Three people, A, B, and C, enter simultaneously. A and B go directly to the clerks, and C waits until either A or B leaves before he begins service.

Simplify the expression - 3 (x 3) 2 - 3 3x. what is the simplified expression in standard form? - 3x2 - 18x - 27 - 3x2 - 15x - 30 - 3x2 3x 6 - 3x2 3x - 30

Suppose that state's record high temperature of 102 was set in 1930, and the record low of -14was set in 1966. What is the range of these temperature extremes?

Max makes a scale drawing of distance between salt lake city and Arizona. The distance between salt lake city and Arizona is 21 cm. If each 7 cm on the scale drawing equals 250 kilometers, how far apart are the salt lake city and Arizona.

What is 2 square roots between 9and 10?

An office supply store sells pencils individually or by the case. Pencils purchased individually cost $0.97 each. One case of forty pencils costs $37.20. You have an annual budget of $95.00 for pencils. Without exceeding the annual budget of $95.

Suppose you were a carpenter. Give the lenght, width, and height of a storage cabinet with a volume of 72 cubic feet that you would build. Explain your choice.