Answer:
21b-32+7b-20b
7b-32
Step-by-step explanation:
2,375 is the answer because 720 divided by 30 is 24 and your dividing by 24 so 57,000 divided by 24 is 2,375
Answer:

And if we use the permutation formula given by:

And replacing we got:

Step-by-step explanation:
For this problem we want to find the following expressionÑ

And if we use the permutation formula given by:

And replacing we got:

Answer:
C
Step-by-step explanation:
-3.8 - 0.5m <== ur expression
the variable (m) represents number of minutes