Answer:
(x + 2) (5x + 3)(5x - 3)
Step-by-step explanation:

Answer:
awwwww
Step-by-step explanation:
Cool!
Answer:
-2
Step-by-step explanation:
to find the slope from to points you can follow this equation
m=y2-y1 / x2-x1
so plug in the points
1-3/ 1-0
-2/1
-2
She began with 20.
If she bought 7 more books and ended up with 17, that means she had ten beforehand. If she had half remaining, we simply double it, thus getting 20.