3 miles per minute is equivalent to feet per minute.

15840 feet per minute.

Step-by-step explanation:

Convert 3 miles to feet  and let the minute stay the same.

3 miles is the same is 15840 feet.  

So it means the  3 miles is equivalent or equal to the same as  15840 feet per minute.

rounding to the nearest thousandth would be 452,000

c.

step-by-step explanation:

she should of added 9^2 and 12^2. that is because it is a^2+b^2=c^2. c^2 is the hypotenuse and should always be bigger than the other two numbers. which is why she should of added 9 squared and 12 squared together instead of 15 squared.