Answer: 
Step-by-step explanation:
surface area(SA)= 
= 
= 
= 
s= the length of the side of the cube
Answer:
the first choice
Step-by-step explanation:
5 1/9 = 5.44444.....
That is the easiest way for me to do it
Answer:
(-1.5, 2)
Step-by-step explanation:
Add both x coordinates, divide by 2.
(-5) + 2 = -3
-3/2 = -1.5
Add both y coordinates, divide by 2.
5 + (-1) = 4
4/2 = 2
20*1.15=$ 23 - is the selling price