9. r/15 ≥ –3

a) r ≥ –45
b) r ≥ –15 <-----------------------
c) r ≥ 12
d) r ≥ 45

Nope.

Is it A?

Yes, A.

Thank You Ms. Sue

You're very welcome.

To solve the inequality r/15 ≥ -3, we can multiply both sides of the inequality by 15 to eliminate the fraction:

r/15 * 15 ≥ -3 * 15

This simplifies to:

r ≥ -45

So the correct answer is a) r ≥ -45.