Answer:
13 problems
Step-by-step explanation:
We have the equation, so all we must do is solve.
19+b=32
Subtract 19 on both sides
b=13
She must finish 13 problems at home
Hope this helps!
D. -x2 + 2x -3
the first step is we open all the brackets then it will be :
x2 - 3x - 2x2 + 5x - 3
= x2 - 2x2 - 3x + 5x - 3
= -x2 + 2x -3