Expand 2x(3x+2y)
answer needed asap

Solve the equation x/4 - 5= -8 -27 -12 -7 12

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 =

The ratio of the measures of the three angles in a triangle is 2: 9: 4. find the measures of the angels