25% of total mangoes which are rotten is 1250. find the total number of mangoes in the basket. also , find the number of good mangoes.

1mile equals approximately 1.6 kilometers. which best approximates the number of miles in 6 kilometers?

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 =

Determine which expressions represent real numbers and which expressions represent complex number. asaaap! plis!