Answer:
D 80 and 90
Step-by-step explanation:
using reverse problem solving
square root x = 9 then
9 squared =81
81 between 80 and 90
Answer:
There is no solution for C.
Step-by-step explanation:
Answer:
6x² (2x - 5)
Step-by-step explanation:
12x³ - 30x²
= 6x² (2x - 5)