Answer:
525 minutes
Step-by-step explanation:
3 weeks have 21 days
25 minutes per night is 25 * 21 minutes for 3 weeks = 525
Answer:
A =
. r^2
If A = 9
ft^2
. r^2 = 9
ft^2
r^2 = 9ft^2
r = sqrt(9ft^2)
r = 3ft ( r>0)
Step-by-step explanation:
Answer:

Step-by-step explanation:
Since you are doing
squared, you have to multiply the exponents.
4 * 2 = 8

To do this, you simply need to substitute in 9 for n in the expression.
15 - n
= 15 - (9)
= 6
Hope this helps! :)