23
Those are not the answer:
1) 20 - can be divided by 2
2) 21 - can be divided by 3
3) 22 - can be divided by 2
4) 24 - can be divided by 2 and 4.
5) 25 - can be divided by 5
6) 26 - can be divided by 2
7) 27 - can be divided by 3
8) 28 - can be divided by 2 and 4
Answer:
81
Step-by-step explanation:
9 x 9 = 81
So, 81 is the perfect square.
Answer:
d
Step-by-step explanation:
Answer:

Step-by-step explanation:
Given

Required
Determine the equation for the model
Represent the number of hours with h and the miles with m.
Using distance formula:

In this case, it is:

So, we have:


Answer:
x= 5 , for c to be same on each eqn