7. D
8. D
9. D
10.C
for 7 & 8 you use the equation
your points are (3,8) & (9,5)
so you plug the numbers in
y2= 5
y1=8
x2=9
x1=3
you subtract them get a fraction and that is your slope
9 & 10
use the equation
plug you numbers in for y1 and x2 m is your slope plug it in and that is your equation
12 square inches. It's basically asking for the area of the rectangle.
Answer A. That is the only one. The rest are not true. Hope his helps! I would appreciate it if you gave me brainliest. Thanks! =D