Answer:
2.option is the correct answer
A. 5 feet
To find the area of a rectangle, multiply length by width. Since the length is 15, you divide 75 by 15, so the width would be 5 feet.
Answer:
For the expression 
k = 9 is the required solution.
Step-by-step explanation:
Here, the given expression is 
Solving the above expression for k, we get:

or, 
or, 
or, k = 9
Hence for the expression 
k = 9 is the required solution.
4b+24=7b-8
32=3b
b=32/3
hope this helps!