*20 points easy question*
Find the value of x in the isosceles triangle shown below.
X=square root of 116
X=7
X=square root of 68
X=6

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 =

Find the center and the radius of the circle with the equation: x^2-2x+y^2+4y+1=0?

Collin did the work to see if 10 is a solution to the equation r/4=2.4