Answer:
C
Step-by-step explanation:
<h3>7.4 x 10 <em>-3</em>= 0.0074</h3><h3>1.3 x 10 <em>-2</em>= 0.013</h3>
In between them would be 0.0092.
There are

ways of pairing up any 2 members from the pool of
contestants. Note that

so that

Divide the numbers 45 and 15 and u should get ur answer
AnsweTo see if multiple ratios are proportional, you could write them as fractions, reduce them, and compare them. If the reduced fractions are all the same, then you have proportional ratios.r:
Step-by-step explanation: