Answer:
b
Step-by-step explanation:
I had the same question
Please find attached photograph for your answer.
7.89 is greater than 7.189, 6.03 is equal to 6.030, because that last zero doesn't really change anything it cancels itself out
Answer:

Step-by-step explanation:
Given

Required
Determine the expression for s
The speed is calculated as:

Substitute S for speed

Let the number of books be b and the time be m.
The expression becomes

Hence, the expression for the scenario is:

No.Because 14/2=7 and 7*3=21 so $21 is the answer.