At what time does a projectile with a quadratic function of h(t)=−16t2+64t+46 hit the ground? Round to the nearest hundredth.

The respiratory system removes oxygen and water from the body. select the best answer from the choices provided t f

What are atoms of the same element with varying number of neutrons

Question 11 of 13 (1 point) jump to question: a stairway, ladder, or ramp must be present in excavations in which of the following situations? a. all trenches must have access/egress b. the trench is more than 15 feet wide but only 1 ½ feet deep c. the trench is more than 4 feet deep and the devices must be within 25 feet of all workers