Pls , will give brainliest i need answer !

find the solution set for the system of equations
9x + 5y = 28
5x + 9y = 56

a) (-5/9, 0 )
b) (-1/2, 13/2)
c) (0, 11/2)
d) (3, 9/2)

Write an equation in point-slope form for the line through the given point that has the given slope (-2,-7); m=-3/2

Jacks bank statement shows an account balance of -$25.50. which describes the magnitude, of size, of the debt in dollars

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 =