Answer:
2.5 Plus 40 hours only because is haft hours
Answer:
1. x=11/4
Step-by-step explanation:

u should x 20 then u will get





Answer:
Step-by-step explanation:
Example Equation of an ellipse with horizontal major axis with center at (0,0):
x%5E2%2Fa%5E2%2By%5E2%2Fb%5E2=1
For given problem:
b=20
b^2=400
a=30
a^2=900
equation: x%5E2%2F900%2By%5E2%2F400=1
y%5E2%2F400=1-x%5E2%2F900
Answer:
15/s
Step-by-step explanation:
15 caps ÷ s = 15/s caps per swimmer