For those who do not know
I copied the idea of some person with a levi pfp but I have not seen him post any more of these so I am taking it now

1) Solve for X
3(x+8)=36

2) Simplify this equation
(x-9)(5+x)

3) Find Nth term in this sequence
7, 10, 13, 16

4) Solve the area of this circle
R=8 D=16