Answer:
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Step-by-step explanation:
Answer:
r = 7
Step-by-step explanation:
60 = -24 + 12r
<u>+24 +24</u>
84 = 12r
84 ÷ 12 = r
7 = r
Check:
60 = -24 + 12r
-24 + 12(7)
-24 + 84 = 60
Answer:
17/12
Step-by-step explanation:
a positive improper fraction. the numerator becomes the denominator.
A because the formula is s^2h/3 and if you plug it in, it's A.
