63 i believe correct me if i’m wrong somebody. Im possibly WAY off
Answer is B
total cost = $30 + 0.5 *(miles driven)
.................
The point-slope form:

The formula of a slope:

We have the points (-4, -1) and (5, 7). Substitute:

18333/10000
Convert to a fraction by placing the decimal number over a power of 10
Answer:
D
Step-by-step explanation:
when you have the same bases but different exponents, for example (X ^ 3 / X ^ 1) = (X ^ 2) this should be the same in the problem for each one with (r, s, t)