Answer: I know about this question I’m struggling on it..
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
The answer is... y=x-2
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Answer:
The answer is 15
Step-by-step explanation:
area of triangle is half * base * height
So 1/2*5*6 is 15