Answer:
D. 32.
Step-by-step explanation:

hope this helps.
Actually the formula for the area of a triangle is A = 1/2bh.
First step: multiply both sides by 2, to get rid of the 1/2.
2A = bh
Now divide both sides by b.
2A/b = h or h = 2A/b
Answer:
4
Step-by-step explanation:
420 divided by 98 is 4.28571428571, therefore rounding would make the answer 4!
Answer:
Area = L²-5L
Step-by-step explanation:
Area = length * width
Length = L
Width = L - 5
Area = L * (L-5) = L²-5L