Step-by-step explanation:

Count how many of the same number, since you have four 8's the exponent will be

same applies for 3
C because the relation acts as a function no mater the 2 items
Answer:
r = 2
Step-by-step explanation:
2(8r + 5) = 24 + 9r
16r + 10 = 24 + 9r
16r - 9r = 24 - 10
7r = 14
r = 2
f(b) = -1/6b + 8. Is the function rule if you want. further explanation just ask.
The radius of a circle is half the length of the diameter so
radius=1.5m