What is the surface area of a box with 3 mm times 7 mm times 2 mm
Please help!

Element x decays radioactively with a half life of 8 minutes. if there are 450 grams of element x, how long, to the nearest tenth of a minute, would it take the element to decay to 37 grams?

Which of the following would be a good name for the function that takes the weight of a box and returns the energy needed to lift it?

Solve for b. ab + c= d b= a + old ob=allc-ch b= (d-c/a