In a container of juice, 25% is real juice. The juice container is 32 oz. Choose the expression that completes each step involved in setting up and solving the proportion that represents the situation Set up a proportion: ___=

Cross multiply: ___=

Divide by the coefficient of x: x=

32/25, x/32, 32/100, 25/100, x/25, 32x, 25x, 100x, 8, 25, 32, 80, 800, 2500, 3200

There were 816 people at a concert when a band started to play. after each song, only half the people stayed to hear the next song. how many people were left at the concert after x songs? write a function to represent this scenario.

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

The height of a flare fired from the deck of a ship in distress can be modeled by h(t)= -2(8t^2-52t-28), where h is the height of the flare above water and t is the time in seconds. a. find the time it takes the flare to hit the water.