If a toy rocket is launced vertically upward from ground level with an inital velocity of 128 feet per second, then its high h, after t seconds is given by the equation h(t)=-9t^2 +81 round to the nearest foot when does the ball hit the ground?

What is the value of f(x) = 2.2 for f(-2)?

What is always true about a positive integer raised to a negative odd power?

What is the probability of throwing several dice with sum equal to 6 (six)? show the ways of possibilities for sum 6 (as the numerator) and the ways of throwing n dices for n = 1, 2, 3, 4 or 5 as denominator for all the questions to earn full credits. (a)throw one die, (b) throw two dice, (c) throw three dice (d) throw 4 dice, (e) throw 5 dice