11. brother = ???
???- 12 = 14
14+12=26
brother is 26.
12. 21.35 - 8.95 = 12.4
cost of colored pencils = $12.40
13. 37- 8 = 29
14. $95 - $73 = $22
Given:
The area of a rectangle = 
Length of the rectangle = 
To find:
The width of the rectangle.
Solution:
Area of a rectangle is:

Where, l is the length and w is the width of the rectangle.
Divide both sides by l.


On substituting the given values, we get

![[\because \dfrac{a^m}{a^n}=a^{m-n}]](https://tex.z-dn.net/?f=%5B%5Cbecause%20%5Cdfrac%7Ba%5Em%7D%7Ba%5En%7D%3Da%5E%7Bm-n%7D%5D)

Therefore, the correct option is A.
Answer:18 runners
Step-by-step explanation:
7+11=18
ANSWER: h=1
EXPLANATION: I hope I help