A rock is dropped from the edge of a cliff. The equation below gives the distance, d, the rock travels in t seconds. d=5t^2+5t How long does it take for the rock to travel 30 meters?

How many different triangles can be constructed with the angle measurements of 134° 10° and 36° ?

An air conditioning system can circulate 350 cubic feet of air per minute. how many cubic yards of air can it circulate per minute?

Colby and jaquan are growing bacteria in an experiment in a laboratory. colby starts with 50 bacteria in his culture and the number of bacteria doubles every 2 hours. jaquan starts with 80 of a different type of bacteria that doubles every 3 hours. let x equal number of days. colbys experiment follows the model: a.) y=50*2^x b.) y=50*2^8x c.) y=50*2^12x jaquans experiment follows the model: a.)80*2^x b.)80*2^8x c.)80*2^12x