3 (x - 9) = - 39

solve and check solution

in the newspaper, mr. shields read that the poplulation of jefferson County was decreasing at a rate of 20% every year. is this exponential or linear function? why? or why not?

The width of a rectangle is two cm less than 8 times the length. The perimeter is 88 cm. What is the width and length of the rectangle?

A product is composed of four parts. In order for the product to function properly in a given situation, each of the parts must function. Two of the parts have a. 96 probability of functioning, and two have a probability of. 99.

Is (5, 5) a solution to this system of equations? 2x + 2y = 20 x + 3y = 19

What fitness gram component would you do in order to increase your flexibility?

3x + 1 + 5x = 7 + 15 + 7x

You mow the lawn to earn your allowance. Each time you mow the lawn you earn $12 Write an equation for the number of dollars, d, you earn when you mow the lawn m times. how many dollars will you earn if you mow the lawn 10 times

he table represents the amount of storage space, in megabytes, used by music files on Zayd's computer. Which statement best describes the relationship between storage space and number of music files? As the num

The sum of a number and twice another number is 12. What is their maximum product?

Tom drove 130 Miles at the speed of 65 mph, and then 200 more miles at the speed of 30 mph. What was his average speed for the entire trip?