A population culture begins with 15 stands of bateria and than doubles every 4 hours. This can be modeled by 15 (2) ^t/4, where t is time in hours. How many stands bacteria are present at 16 hourse.

Decompose the longest side to find the areacof the shape. (Use the Distributive Property) the shape is 12cm x 9cm

Charlie needs to make a total of 60 deliveries this week. so far he has completed 18 of them. what percentage of his total deliveries has completed

How is solving a literal equation different from solving a one or two step equation

Julian has a change jar that contains only quarters and nickels. he has 46 coins which add up to a total of $8.50. how many of each type of coin does he have?

A Computer was on sale for 2/3 of the original price. If the original price was $900, what was the sale price

2. What are the means of the following proportion? 3/15 = 12/60 A. 15 and 12 B. 3 and 15 C. 3 and 60 D. 12 and 60

A virus consists of

A certain type of water lily doubles the area it covers every year. Ten years after being planted in our lake the water lilies cover a quarter of the lake's surface. How many more years will it be before they cover the entire surface of the lake?

Salem sue is a giant cow statue in North Dakota. The cow is 38 feet high. A real cow averages 4 feet 5 inches and a chicken is 13 inches. If this cow were real, how big would the chicken be on the same farm?

17/4 minutes with 510 total beats How many beats per minute