The point (-1, 5) is reflected over the y-axis. Where is the location of the new image? (-1, -5)

(5, 1)

(1, 5)

(1, -5)

The height above the ground (in feet) of a ball dropped from the top of a 30-foot-tall building after t seconds is given by the polynomial: ? 16t^2+30 what is the height of the ball after 1/2 second?