6.2 seconds the height, h, in feet of an object above the ground is given by h = −16t2 + 64t + 160, where t is the time in seconds. how long does it take the object to hit the ground? (to the nearest tenth of a second)

a)
5.1 seconds

b)
5.3 seconds

c)
5.7 seconds

d)
6.2 seconds

Asailor is looking at a kite. if he is looking at the kite at an angle of elevation of 36and the distance from the boat to the point where the kite is directly overhead is 40 feet, how high is the kite?

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

What term makes it inconsistent y=2x - 4 ?