dj threw a basket ball from a point 2 feet above the ground level.the height of the ball above the ground level is h,in feet, after t seconds is given the formula h=t²-2t-2.
___3.what time the ball which is the height of 6 meters
A.3 seconds B.4 second C.5 second D.6 second
___4.what the height of the ball after 5 second?
A.10 feet B.11 feet C.12 feet D.13 feet
___5.it takes mary 3 hours more to take bibinka than it takes jane.if they work together they can finish the same job in 2 hours .how long would it take me to finish the job alone?
A.3 hours B.5 hours C.6 hours D.8 hours​