The formula of the perimeter of a rectangle is 2l+2w so look at the photo
Answer:

Step-by-step explanation:
We have been given an indefinite integral as
. We are asked to find the given integral.
Let us solve our given problem.

Take out constant:





Therefore, our required integral would be
.
Answer:
m=9
Step-by-step explanation:
11-9m=-70
-11 -11
-9m = -81
divide both sides by -9 and you get m=9
Answer:
6. 550
7. 70
Step-by-step explanation:
6. 16+28 = 44, 44*25 = 1100 divided by 2 = 550
7. 2.5+3+5.5 = 11, 11+3 = 14, 14*10 = 140 divided by 2 = 70
its 14n+21. 7×2n is 14n, and 3×7 is 21