How to convert 87 24/25 into a decimal

Evaluate the expression for the given value of the variable. 5×(h+3) for h=7

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 =

Present age of man is 45 years, 5 years back his age was 4 times age of his son what is present age of his son?