6. A hot air balloon starts from the ground. It rises at a rate of 5 m / min. After 17 minutes, it descends at a rate of 3 m / min for 6 minutes. Then it rises at a rate of 11 m / min. How far from
the ground is the hot air balloon after 1 hour? Show your work.

What is sin 7x/4 ? i need on this urgent trig

What is the value of the expression 9+n/3-6 when n = 12? 1. 5. 7. 12.

The manufacturer of a new product developed the following expression to predict the monthly profit, in thousands of dollars, from sales of the productwhen it is sold at a unit price of x dollars.-0.5x^2 + 22x - 224what is represented by the zero(s) of the expression? a.the profit when the unit price is equal to 0b.the unit price(s) when the profit is equal to 0c.the profit when the unit price is greatestd.the unit price(s) when profit is greatest