Answer:
Step 2
Step-by-step explanation:
Mario made a mistake in Step 2 when substracting
from
. When substracting his result ended up being
but it is actually....

so the right answer is 
The square root of 89 is 9.43398113. Please award brainliest answer!
Sigma(i = 7 to 16, 2i-12) = 2*sigma(i = 7 to 16, i) -120
= 2*115-120 = 110
Answer:
his uncle??
Step-by-step explanation:
I think...........