Answer:
if they are similar then their sides are proportional and the following would be true:
40/30 = 48/36
reduce both sides:
4/3 = 4/3
so, yes, they are similar.
Step-by-step explanation:
Solve for s.
p=4s
Flip the equation.
4s=p
Divide both sides by 4.
4s/4=p/4
s=1/4p
Answer:
25
Step-by-step explanation:

Hence 11% represents 25 students.
Answer:
C 
Step-by-step explanation:
Consider the series

The nth term of series is 
The bottom index tells you that n starts changing from 3, so

Thus, the sum of all terms is
