Answer:
Bud have eaten 2 pieces as Bud and Dotti have eaten exact same amount.
Step-by-step explanation:
We have been given Dotti and Bud bought two identical watermelons
Dotti cut her watermelon into 3 pieces and ate 2 of the pieces.
Bud cut watermelon into 9 pieces
But Dotti and Bud have eaten exact same amount of watermelon
That means if Dotti have eaten 2 pieces then Bud would also have eaten 2 pieces out of 9.
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