30 POINTS!!! You are riding a roller coaster when a shoe falls off your foot. The function y=76−16t^2 represents the height y (in feet) of the shoe t seconds after it falls off your foot. The shoe lands on the top of a 12-foot-tall building. After how many seconds does the shoe hit the building?

Solve with work both bert and ernie received an increase in their weekly salaries. bert's salary increased from $520 to $520. ernie's salary went from $580 to $645. find the percent of increase for each salary. what was the larger of the two percents ?

Oscar and julie ashton are celebrating their 15th anniversary by having a reception hall. they have budgeted $4,500 for their reception. if the reception hall charges a $90 cleanup fee plus & 36 per person, find the greatest number of people that they may invite and still stay within their budget.

If f(x) and g(x) are inverse functions of each other, which of the following shows the graph of f(g(x)