Answer:
m= -13/14
Step-by-step explanation:
use y=mx+b formula!
-64 + -4 = -68
That is because 64 + 4 = 68 and the negatives in this case are the same way as if it was all positive.
Answer:
x
=
37
/8
Step-by-step explanation:
Answer:
7(-6)=-42
After 7 weeks the price will be reduced by 7 times $6
Thus the price will be $42
Answer:
Equation: 
Step-by-step explanation:
<em>The question is incomplete as the dimension of the phone was not given.</em>
<em>However, the following explanation will guide you</em>
Given

Required
Determine the Height
Volume is calculated as thus;

Substitute 75 for Volume

Divide through by Area

<em>The above represent the equation to solve for Height</em>
<em>To solve for height, we need the dimension of the phone or the area.</em>
Take for instance; the length and width of the phone is 5 by 5 inches;
The height would be:


