En is 80 years old and her grandson mark is 5 years old. in how many years will jen be 4 times older than mark?

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 =

Which fraction is equal to 1hole and 2/5? a.3/5 b.75 c.57 d.73

Indicate the formula for the following conditions: p^c(n,r)=