The first one is D. Y=-3+8x
The second one is G. -3/2x=y+2
Answer:

Step-by-step explanation:
Height of the Cylinder= 30 feet
Diameter = 8 feet
Radius= Diameter/2 = 8/2 = 4 feet
The Amount of Metal Sheet used in constructing the tank is the Total Surface Area of the Tank.
Total Surface Area of a Cylinder =

0.18 because the third decimal place is less than 5
32 divided by 127 and the second one, i dont know