Answer:
Step-by-step explanation:
The general equation of the circle
Center = c = (h,k) , radius = r
if C = (0,0) , r = 3
The equation will be :
(x-0)^2+(y-0)^2=3^2
7 years
First of all, half of 18 is 9, and if you divide 18 by 2.5, it results in 7.2. I hope this helps!
609
I think you forgot to mention Susan's current age if not:
x+5
x-4
6x
2(w+l)=21+2w
w+l=10.5+w
So l = 10.5
42.
18/3 = 6 jars per day
6*7=42