Pick A that is the one I would go with.
Answer:
425 miles per hour
Step-by-step explanation:
Find the speed per hour by dividing the distance by the number of hours:
6375/15
= 425
This means the plane traveled 425 miles in one hour.
So, the plane's average speed was 425 miles per hour
The solution of the equation in terms of the base is
.
Given that
Equation; 
We have to find
The solution of the equation in terms of base.
According to the question
To determine the solution of the equation following all the steps given below.
Equation; 
Then,

Hence, the solution of the equation in terms of the base is
.
To know more about Equation click the link given below.
brainly.com/question/12179591
Answer:
b - 5 = c
Step-by-step explanation:
if you take the number of cookies before the visit (B) and then you eat 5, that would be (B - 5). after you eat the cookies, C is the amount left. so it’s a subtraction problem without 2 numbers. so the equation would be
b - 5 = c
or
before - 5 = after