Please help me I don’t have time. Answer whichever one. Please I will thank you

7.) slope = -2        y-intercept = 3

8.) slope = 1/2      y-intercept = -4

9.) slope = -3/4    y-intercept = 0

10.) slope = 1        y-intercept = 2

11.) slope = -1        y-intercept = 1

Look for the y-intercept in the photos so you can plot the points.

395.84

step-by-step explanation:

2πrh+2πr²

2 (pie)(radius)(height)+2(pie)(radius)^2

plz mark brainliest i took the test