Answer:
b = 3.5 cm
Step-by-step explanation:
Given that,
The area of a rectangle, A = 14. sq cm
The length of one side, l = 4 cm
We need to find the length of another side. The formula for the area of a rectangle is given by :
A = lb
So,

So, the length of the other side is equal to 3.5 cm.
Answer:
540cm^3
Step-by-step explanation:
4*3*5*9=12*5*9=60*9=540
40 - 4 = 36
average = 36/9 = 4
answer
average number of members who joined the math club is 4 per month