Benjamin threw a rock straight up from a cliff that was 60 ft above the water. if the height of the rock h, in feet, after t seconds is given by the equation h=-16t^2+68t +60, how long will it take for the rock to hit the water?

Trigonometry hellllllpppppppp asap

How many triangles can be drawn with side lengths 4 centimeters, 4.5 centimeters, and 9 centimeters? explain

On this question. a hypothermia occurs when a person's body temperature drops below 95 degrees fahrenheit. write and solve an inequality that describes how much lower the body temperature of a person with hypothermia will be than the body temperature of a person with a normal temperature of 98.6 degrees fahrenheit