Answer:
Step-by-step explanation:
4b + 8 = 20
Subtract 8 from both sides
4b + 8 - 8 = 20 - 8
4b = 12
Now divide both sides by 4
4b/4 = 12/4
b = 3
Check:
LHS = 4b + 8
= 4*3 + 8
= 12 + 8
= 20 = RHS
its A. because the exponent which in this case is 3, is multiplied 3 times. so 9 is multiplied 9 times
D) 7.5 mi/h. hcbhcvu yc yv. y yv yh
x=3
