Summarize how bats use sound to “see” and locate their prey using echolocation. Use the terms ultrasonic wave pulse, echo, time of transit, and echolocation in your summary. PLEASE HELP ME (not for free points)

Determine the maximum r-value of the polar equation r =3+3 cos 0

On a mild saturday morning while people are working inside, the furnace keeps the temperature inside the building at 23degreesc. at noon the furnace is turned off, and the people go home. the temperature outside is a constant 16degreesc for the rest of the afternoon. if the time constant for the building is 3 hr, when will the temperature inside the building reach 18degreesc? if some windows are left open and the time constant drops to 2 hr, when will the temperature inside reach 18degreesc?

You can melt ice by applying pressure because the solid/liquid line has a slope.