Which would be a correct first step to solve the following system of linear equations using the elimination method? 2x+3y=6

-x+3y=15

9 (m+2) = - 6 (m+7) What is the value of m?

A girl starts to walk to her school, which is 20 miles away, at 6:50 and at a rate of 3 miles per hour. After a while, her dad picks her up and drives her through the remainder of the way at 30 miles per hour.

Diana is painting statues. She has 7/8 of a gallon remaining. Each statue requires 1/20 of a gallon of paint. How many statues can she paint?

A parabola is given by the equation y2 = - 24x. The equation of the directrix of the parabola is

What is the value of x? A. 100 B. 64 C. 10 D. 36

The sum of two comsecutive even integers is 298

A red string of holiday lights blinked once every three seconds while a string of blue light blinks once every four seconds. How many times will both sets of lights blink at the same time in one minute?

Order - 3.93, 3 8/9, - 3 11/12, and 3.9 from least to greatest. (The 3.9 goes infinitly)

What is the distance between (8,-3) and (4,-7)

What is 105 to 150 simplified as a ratio