Answer:
4 in
Step-by-step explanation:
X- axis goldfish
y- axis cost
(20,30) 20 goldfish cost $30
30s-18 is the answer jus add all the sides together/ add the like terms then solve it
<span>Center(0,0)
a^2=16
a=4
b^2=9
b=3
c^2=a^2+b^2=16+9=25
c=√25=5</span>