The answer should be
4.
First, simplify

to 4. Your problem should look like: 4 x 1.
Second, multiply. 4 x 1 = 4 so that is your answer.
Also, to start the equation up, make sure to add in the numbers in replace for the letters. Your problem to start with should look like:

.
The correct first step in finding the area of a base of a cylinder is to find the length of radius of the circular base.
Answer:
26
Step-by-step explanation:
5y-3+2y+1=180
7y-2=180
7y=182
y=26
You would divide 228/12 = 19 per class.
Answer:
y = 7x
Step-by-step explanation:
Slope: (7-0)/(1-0) = 7
y-intercept is obviously 0
y = 7x + 0
y = 7x