1. 5y – 8 when y = 4 2. 4 +5z/3 when z = 6
3. 20 - 2 + 4 * 2
and can you please show your work is that i need to show my work so pleasee help me this is going to literaly save my life PLEAS

the figures below are made out of circles, semicircles, quarter … find the area and the perimeter of each figure and give your answers as a completely simplified exact value in terms of π (no approximations). remember that we'll also have to cut whatever areas we get in half, since we're only dealing

step-by-step explanation:

d.) yes, because the volume of the cone is greater than the volume of the sphere

step-by-step explanation:

- (2, -7)

- lines r and s and lines t and u must be parallel

( - 4 , -7 )

all the lines must parallel  

step-by-step explanation:

coordinates of c = ( - 1 , 2 )

3 units left = ( -4 , 2 )

9 units down = ( - 4 , 11 )