(85 + 84 + 78 + x) / 4 = 86
(247 + x) / 4 = 86
247 + x = 86 * 4
247 + x = 344
x = 344 - 247
x = 97 <=== her score was 97
Answer:
(9, 9)
Step-by-step explanation:
midpoint of (-4,15) and (22,3)
Answer:
11
Step-by-step explanation:
9+9+11+15 is 44 44/4 is 11
Answer:
B
Step-by-step explanation:
Answer:
6 hours
Step-by-step explanation:
if it costs 12 dollars to rent it at first then that subtracts 12 dollars from the total 30.
this leaves you with 18 buck, divide 18 by 3 and you get 6, she had it for 6hours
