Max throws a rock over a wall into the ocean. The height of the rock can be modeled using the function f(t) = -3t2 + 12t+5, where t represents the time in seconds
after the rock is released. After how many seconds will the rock be at its maximum
height?

If you could answer these your a life saver

Asmall business produces and sells balls. the fixed costs are $20 and each ball costs $4.32 to produce. each ball sells for $8.32. write the equations for the total cost, c, and the revenue, r, then use the graphing method to determine how many balls must be sold to break even.

Vertical angles must check all that apply