Answer:
Step-by-step explanation:

Answer:
240
Step-by-step explanation:

b - 10 = 7
Take 10 to the other side.

b = 17
Multiply by 4 to isolate b

b × 4 = 17 × 4
4 and 4 cancels out
b = 68
answer:
a. 16.
step-by-step explanation:
32 = 2*2*2*2*2
48 = 2*2*2*2*3
picking out the common factors:
gcf = 2*2*2*2 = 16.
27^1/3= a number you multiply by itself three times to get 27
Cubic root of 27 is 3
= 3