(100 pts.) Pre-Al Ratios and Proportionality, check img attactched

Mathematics

2 answers:

uysha [10]3 years ago

8 0

Answer:

Step-by-step explanation:

Make a proportion:

66/12 = (104-r)/r

Simplify:

r = 16

Goshia [24]3 years ago

7 0

Answer:

r=16

Step-by-step explanation:

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Galina-37 [17]

Given rational expression is:

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