Well the real answer is 8082 if i did this in my head i would take the 9 and multiply it by each number and there's your answer
First line because 4(2a+1)=8a+4 and 9a+4-(8a+4)= a
Second line because a times 2 =2a and 2a+1-2a=1
<span>Although the second equality is more or less obvious since 2a+1 leaves a remainder of 1 when divided by a.</span>
Answer: option c.
Step-by-step explanation:
To solve the exercise you must apply the formula given in the problem, which is the following:

The problem asks for the projected population of Bakersfield in 2010.
Therefore, keeping on mind that <em>t </em>is th number of years since 1950, you have that:

Substitute the value of <em>t </em>into the formula.
Therefore, you obtain:

Answer:
The distance is 20km
Step-by-step explanation:
Given

Required
The distance between
school
The function represents the distance 
So, when x = 0.
This implies that he has not started moving.
So:


