2hours to 1day as a ratio in its simplest form​

Mary had at least an 80% on her test write an inequality to represent this situation

Solve the system of equations. y= 2x y= x^2 - 15

The chs baseball team was on the field and the batter popped the ball up. the equation b(t)=80t-16•16+3.5 represents the height of the ball above the ground in feet as a function of time in seconds. how long will the catcher have to get in position to catch the ball before it hits the ground? round to the nearest second