Answer:
-40
Step-by-step explanation:
-4 * 2 = -8
-8*-1= 8
12+8 = 20
20*(-2) =-40
What do you need help with?
Answer:
Step-by-step explanation:
Area of a sphere is 
let d be the diameter of the moon and D be the diameter of the earth
d = 1/4 D
Area of Earth = 
Area of moon = 

Answer:
Y=3
Step-by-step explanation:
The line is a horizontal line, and the points are in a vertical line. Y=3 is on a horizontal line at 3 up from the x axis.
Answer:
The answer is A, 13
Step-by-step explanation: