Answer:
The two ratios are NOT equivalent.
Step-by-step explanation:
Consider the provided information.
Two ratios are said to be equivalent if their numerator and denominator is same after simplifying.
Mr. Rowley has 16 homework papers and 14 exit tickets to return.
The number of homework papers Mr. Rowley has is 16.
The number of exit tickets Mr. Rowley has is 14.
The ratio of number of homework papers to number of exit tickets of Mr. Rowley is:

The number of homework packs Ms. Rivera has is 64.
The number of exit tickets of Ms. Rivera has is 60.
The ratio of number of homework papers to number of exit tickets of Mr. Rivera is:

Here, both the ratio have different numerator and denominator. Thus, the two ratios are NOT equivalent.