Answer:
10 is the coefficient of x
Answer: -9
Step-by-step explanation:
Divide 63 by -7 and you get -9
Hope this helps :)
Answer:

Step-by-step explanation:
Given

Required
Find 

In trigonometry:
If sin(A) = cos(B), then

So, we have:

Collect Like Terms



Answer:
one
Step-by-step explanation: you cant simplify the equation so that both sides can be divided to get the same equation, if you graph it theres not a parabola so the only thing left is one.