(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
√x + 11=15 x=16
√x= 15-11 x=16
Answer:
the answer is C
Step-by-step explanation:
because the negative needs to be on the inside not on the outside
Recognized the possibility
Answer:
141.2/175.8=.803185
1-.803185=.1968=20% markdown
ples give brainliest! :D
