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?

What are potential hypotheses (explanations) regarding why there are ecological equivalents between many metatherians and eutherians? discuss your hypothesis in terms of the processes that could lead to the current ecologies and distributions of metatherians and eutherians.

Galen sold tickets of his church’s carnival for a total of $2,820. children’s tickets cost $3 each and adult tickets cost $5 each. the number of children’s tickets sold was 30 more than 3 times the number of adult tickets slod. how many children’s ticket and how many adult tickets did he sell?

Don't know how to find x given these segment lengths