I believe it could be 19.5
Answer: 
and

Step-by-step explanation:
Equation for a Circle

h= -2 k= 4 r= 4

Part 2
Complete the Square

Answer:
D
Step-by-step explanation:
The difference in the x is 6
The difference in the y is -4
-4/6 = -2/3
Answer:
Integers: a number that can be written without a fractional component
Rational Numbers: is any number that can be expressed as the quotient or fraction p/q of two integers, a numerator p and a non-zero denominator q. Since q may be equal to 1, every integer is a rational number
Step-by-step explanation:
How are points graphed
on a coordinate plane?
Start at (0, 0), or the origin.
Move over x units to the right or left.
Move over y units up or down.
Mark the point.
Answer:
c
Step-by-step explanation:
i got it right