A model rocket is shot off a balcony. Its height (in feet) as it relates to time (in seconds) can be modeled by the equation h(t) = -2t^2 + 28t + 36 1.How long does it take to reach its maximum height and show all work algebraically. HELP PLEASE ASAP

There are 96 raisins and 24 cashews in each package of granola. what is the unit rate in raisins per cashew? plz 4122096

Solve the equation 3x2 + 19x + 9 = 0 to the nearest tenth.

Mexico city, mexico, is the world's second largest metropolis and is also one of its fastest-growing cities with a projected growth rate of 3.2% per year. its population in 1991 was 20,899,000 people. use the formula p = 20.899e0.032t to predict its population p in millions with t equal to the number of years after 1991. what is the predicted population to the nearest thousand of mexico city for the year 2010?