Answer:
False
Step-by-step explanation:
Answer:
77 "
Step-by-step explanation:
'mean' is the average of all of the heights
( 84 + 84 + 77 + 63 + 70 + 70 + x) / 7 = 75
x = 77
Answer:

Step-by-step explanation:
Original Price
Discount:
Discount

Tax:
Tax

Answer:
B
Step-by-step explanation:
Supplementary angles add to be 180 degrees. If one angle is 20. The supplement angle is 160.
180 - 20 = 160
160 is your answer.