The expression 30 + 12 can be rewritten as 2x(13+8)
He spoke to each friends for 26 minutes
How I found out : how I found out is that all you have to do it get the total amount which in this question it is going to be 182. And you would need to dive 182 by 7 to find the unit rate (182/7) which is going to equal 26.which means he called each friend for 26 minutes
25 times :) hope this helped!
Answer:

Step-by-step explanation:
we have

we know that
The zeros of the function are the values of x when the values of the function is equal to zero
In this problem the apparent zeros are
For 

For 

For 

Evaluating
we get 1590
Step-by-step explanation:
We need to evaluate 
Solving:

So, evaluating
we get 1590
Keywords: Solving the expressions
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