Element X decays radioactively with a half life of 6 minutes. If there are 790 grams of Element X, how long, to the nearest tenth of a minute, would it take the element to
decay to 26 grams?
y = a(.5)

Write an equation for the function that includes the points (1,4/5) and (2,2/3)

Given a: b and b: c, find a: b: c. write the ratio in simplest form. a: b=6: 10 and b: c=21: 33

Seattle, washington is known for being rainy. one day last month, 8 inches of rain fell in 1 1/2 hours. what us the rate of the rainfall expressed in ft per plzzz write a proportion i will give you 100 points