A mother is 20 years older then her daughter now. 50 years ago he was twice the age of her daughter. what are the present ages of the mother and daughter

A pyramid must have an even number of edges?

How do write 2/100000 as a decimal

4 (3m-8) = - 80 solve each equation for the given variable

How do i evaluate an expression with a given variable

Which is the sixth sequence: an=1/125 (5n-1)

In the spring, you charge people $7 for going to their house to water flowers, then $4 for every hour you water. If you make $27 one day, how many hours did you spend watering?

Sophia spent 6,274 rand on her trip. she exchanged the rand she had left for u. s. Dollars. The exchange rate was 1 rand to$0.14. How many u. s. Dollars did sophia get? Support your answer using specific information from the problem.

Is 15,36,39 a Pythagorean triple

A crate full of oranges weighed 15 lb.

The height of a golf ball in the air can be modeled by the equation, where h is the height in the feet of the ball after t seconds. a. how long is the ball in the air?