Answer:
Step-by-step explanation:
i can help but i need my brother on this one
60 x 40%
60 x .40 = 24
The drama club washed 24 cars on Sunday.
Hope this helps. :)
Answer: The swimmer dives into the water 5 seconds after the timer is started.
The swimmer comes back up 11 seconds after the timer is started.
Step-by-step explanation:
Answer:
12.57
Step-by-step explanation:
the formula for the area of a circle is 
the diameter is 2 times the radius, so dividing it by 2 gives you a radius of 2
substitute the 2 for the r in the formula and solve

4
≈12.57
Alvin's age + Elga's age = 84
2R + R = 84
3 R = 84
3/ 3 R = 84/ 3
R = 28
Elga's age is 28