General vertex form:

Given :

Extract "spread factor" m

Complete the square


Write as a squared binomial and simplify the constant

Re-write to match signs of standard general form:

Answer:
B: 57 mph=57 mph
Step-by-step explanation:
A steady pace means constant speed that it does not change over a period of time and direction of motion. A simple formula, for this case (constant speed)

where x is distance and t time. The subtract is final value minus initial value
We have the distance and time, then
Answer:
i think it is a but there are algebra caculators online
Step-by-step explanation:
8. Now I deserve brainliest:)