Y=X*X+1
Estimate the value of x when y=4

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 =

Is the figure congruent? yes or no?

Evaluate 8j -k+148j−k+14 when j=0.25j=0.25 and k=1k=1.