A model rocket is launched from the ground level. It’s height, h meters above the ground, is a function of time t seconds after launch and is given by the equation:h-4.9t^2+68.6t, how long would it take for the rocket to reach its maximum height?

In factoring by grouping, what would you have for step 3 for the following? step 1: x^3 +5x^2 +4x+20 step 2: x^2 (x+5)+4(x+5) step 3: ?

Ateacher asked his students to vote for an animal to be their class pet. five-eighteenths of the students voted for a rabbit, voted for a snake, and voted for a hamster. which statement is true? more students voted for a hamster than a snake. more students voted for a snake than a rabbit. more students voted for a rabbit than a hamster. more students voted for a snake than a hamster.

Which conjunction is disjunction is equivalent to the given absolute value inequality? |x+2|< 18