Answer:
y=-3x+1
Step-by-step explanation:
plug in point into x and y, replace -4 as a +b(or any other variable to represent y intercept)
therefore,
7=-3(-2)+b
7=6+b
1=b
we can determine the volume of a right cylinder
by this formula : V = πr²h
V = πr²h
the code is in word file below attached