A ball is thrown into the air with an upward velocity of 36 ft/s. Its height in feet after t seconds is given by the function h(t)=−9t2+36t+18. How long does it take the ball to reach its maximum height?

Aschool had an election where the candidates received votes in the ratio 1: 2: 3. if the winning candidate received 210 votes, how many total people voted in the election?

Which is true about the solution to the system of inequalities shown? y > 3x + 1 y < 3x – 3 only values that satisfy y > 3x + 1 are solutions. only values that satisfy y < 3x – 3 are solutions. values that satisfy either y > 3x + 1 or y < 3x – 3 are solutions. there are no solutions.

Sandra wants to evaluate 2 cot her work is shown below. what did she do wrong?