13.55 should be your answer
multiply both sides by 2 to get
2A = (a+b)*h
divide both sides by h
to get 2A/h = a+b
subtract b from both sides to get a = 2A/h -b
3rd choice is correct
Answer:
11.58000
Step-by-step explanation:
Answer:
b
Step-by-step explanation:
49 is a whole number
because it doesn't have a decimal neither is it a fraction