The half-life of a radioactive kind of yttrium is 50 minutes. How much will be left after 100 minutes, if you start with 120 grams of it?

18% of what number is 99

What is the factored form of - 7y-y^2=0

Round 4.35 to the nearest tenths

How do you find slop

Simplify 4x^3+9 (2x^3-5b^5

While buying paint at the store Aglacia decided to determine how many cubic inches of paint she would get. She measured the diameter of Sherwin Williams Brand paint can at diameter 11 inches and the height at 9 inches.

Alan deposits $4000 into an account that pays simple interest at a rate of 5% per year. How much interest will he be paid in the first 5 years?

Bryan cut two peaches. he cut one into sixths and one into fourths. bryan ate 5sixths of the first peach and his brother ate 3fourths of the second peach. who ate more

What happens when the smog lifts in Los Angeles

1. Caroline drove 350 miles to the beach. The trip took her 57 hours. What was her average speed in miles per hour?