How many bushel of corn, costing $3.72/bushel, and oats, costing $2.12/bushel, should mr. mitchell mix to obtain 180 bushels of feed worth $3.10/bushel?

Find the zeros of the function. write the smaller solution first, and the larger solution second f(x)= (x+6)^2-49

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 =

Pyramid shown has a square base that is 18 inches on each side has a surface area of 164 square inches what is the slant height