Answer:
E. 750 rounds to 800
Step-by-step explanation: first thing is to look at the tens value, numbers 1-4 get rounded down and numbers 5-9 get rounded up.
Answer:
D.
Step-by-step explanation:
In direct variations, we would have:

Where <em>k</em> is some constant.
Since this is indirect variation, instead of that, we would have:

To determine the equation, find <em>k</em> by putting in the values for <em>q </em>and <em>r:</em>
<em />
<em />
Now plug this back into the variation:

The answer is D.