Hint to start out the problem:
eg. For f(4), use the first expression, (x-3)^2 because 4 is greater than 1.
Answer:
r≤9
Step-by-step explanation:
Answer:
x = 9
Step-by-step explanation:
Sum of all angles of a triangle = 180
63 + 7x + 6x = 180
63 + 13x =180
13x = 180 - 63
13x = 117
x = 117/13
x = 9
Answer:
Solving the equation
we get 
Step-by-step explanation:
Noah's step to solve the equation
are:

The next step is to take square root on both sides because: 

Now, we know that: 

So, Solving the equation
we get 
Answer:
There are only 6 numbers that fit that description. (4,12,24,32,44,52)