A radioactive element has a half-life of 10 days. If 800 g of the element are now available in a laboratory, how much will remain after 25 days?

javier is scuba diving while on vacation. yesterday, he dove to - 13.74 feet. Today, he plans to go 4 times as deep. how far is javier playing to dive today?

A package of 35 pencils cost $5.25. At his rate what is the cost of 1 pencil

A classroom had 24 glue sticks of the ratio of the glue bottle was 4:3 how many glue bottle did the classroom have

How many pounds are in 0.65 Tons

Simplify (x - 1) (x2 + 5x + 2). x3 + 6x2 + 7x - 2 x3 + 4x2 - 3x - 2 x3 - x2 + 2x - 2 x3 + 5x2 - 6x - 2

Xy+yz=10 solve for y

Two trains leave the station at the same time, one heading west and the other east. The westbound train travels 18 miles per hour faster than the eastbound train.

Enguun earns $17 dollars per hour tutoring student-athletes at Brooklyn University a. If Enguun tutored for 19.5 hours last month, how much money did she earn last month?

One side of a triangle is twice another. The third side is 8 inches and the perimeter of 26 inches. How long is each side?

A new sidewalk will be 6 feet wide, 100 feet long, and filled in a debt of 9 inches with concrete. How many cubic yards of concrete are needed?