Step-by-step explanation:
2b-3ac
=2×2-3×2×(-1)
= 4+6
=10
First of all, we need to know:
3^3 = 3 x 3 x 3 = 9 x 3 =
27So:

So, your answer is
D.
Percents that are added together are combining percents.
Step-by-step explanation:
B is the answer
area of rectangle =B×w