Aball is thrown from an initial height of 3 feet with an initial upward velocity of 30/fts . the ball's height h (in feet) after t seconds is given by the following. h= 3+30t-16t^2 find all values of t for which the ball's height is 16 feet. round to the nearest hundredth

Monthly water bills for a city have a mean of $108.43 and a standard deviation of $32.09. find the probability that a randomly selected bill will have an amount greater than $155, which the city believes might indicate that someone is wasting water. would a bill that size be considered unusual?

Which letters from the table represent like terms? a and b b and c a and d b and d

6x + 3y = -6 2x + y = -2 a. x = 0, y = -2 b. infinite solutions c. x = -1, y = 0 d. no solution