Help please, also put a small explanation if u want brainliest, I wanna double check my answer

Answer:
C. 90 inches squared
Step-by-step explanation:
5 times 3 = 15
2 times 3 = 6
15 times 6 = 90 inches squared
Answer:
the answer is D
Step-by-step explanation:
the reason why it is D because you do 5x2 which equales 10 then u have to do 10x3 which equals 30 so the answer is 30 because she used the factor 3