72 sq in times 9 is 648 sq in
The letter a
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Answer
Step-by-step explanation:
Line passes through (-6,-3) so it's in the form 
Now you need to determine m, and, as long as two lines are perpendicular, the product of the two slopes has to be -1. 
. The equation becomes 
and the only thing left to do is to write it in a more pleasant way - or just leave it as is as long as you don't have to do anything with it!
Answer:
Step-by-step explanation:
Because the price is constant we know the ratio of cost to number of books is constant.
x/14=13/4
x=14(13)/4
x=45.50
Leah paid $45.50 for 14 books.
Answer:e=-10
Step-by-step explanation:
-2e-7=13
-2e=20
e=-10
