Answer:
k=30
Step-by-step explanation:
The number of mice vary inversely with cats. This is written as:

When there are 3r-19 cats, there are 2r+1 mice

When there are 6r-27 mice, there are r-5 cats.

Taking the values of k above, we have:

Therefore:

14
subtract 9 from 23. you get 14, 14-23=-9
Answer:
The radius of the circle is half its diameter. It's the length from the center point straight out to the edge.
Answer: 2 hours after 10:30 is 12:30?
7: d
8:d
9:c
10:c
Quadrant 1(I): both numbers are positive
Quadrant 2(II); negative number first then positive number last
Quadrant 3(III): both numbers are negative
Quadrant 4(IV): Positive number first then negative number last