Solve each system bu substution

y=5x-7

-3x-2y=-12

A 3-inch, f/6 reflector has a focal length of: 2 inches 3 inches 6 inches 18 inches

Tammy and Jodi assembled 420 circuit boards in 8 hours. The next day they assembled 36 more circuit boards in the same amount of time. What was their average rate on the second day? A. 87 boards per hour B. 70 boards per hour C. 57 boards per hour D.

Shaniqua has $45 in her wallet she spends $4 on snacks and $8 on a movie ticket what integer represents the change in the amount of money in shaniquas wallet how much money is left?

Which intervals show f (x) increasing? Check all that apply. [-2.5, - 1.6) [-2, - 1] (-1.6, 0] [0, 0.8) (0.8, 2

Write an equation in slope-intercept form for the line with y - intercept 2 and slope 3.

13 x 10 which shows how many zeros will be in the product

The value of 3 in 6300 Is blank times the value of 3 in 530

If three corresponding sides of one triangle are proportional to three sides of another, then the triangles are similar. a) always b) sometimes c) never

A carpenter is putting a skylight in a roof. If the roof measures 10x + 9 by 7x + 7 and the skylight measures x + 5 by 3x + 3, what is the area of the remaining roof after the skylight is built?

What does principle amount mean