The initial number of carbon-14 atoms in the organism at death is .

After 11,460 years, there will be
carbon-14 atoms in the organism.

After
years, there will be 24.298 carbon-14 atoms in the organism.

Aball is thrown from a height of 139 feet with an initial downward velocity of 15 ft/s. the ball's height h (in feet) after t seconds is given by the following. h=139-15t-16t^2 how long after the ball is thrown does it hit the ground? round your answer(s) to the nearest hundredth. (if there is more than one answer, use the "or" button.) t =

Tim's phone service charges $26.39 plus an additional $0.21 for each text message sent per month. if tim's phone bill was $31.64, which equation could be used to find how many text messages, x, tim sent last month?

If you prove that ∆wxz is congruent to ∆yzx, which general statement best describes what you have proved?