One kind of bacteria in a laboratory culture triples in number every 30 minutes. Suppose a culture is started with 30 bacteria cells. How many bacteria will there be after 2 hours?

Y - X=4 Does Y and X show direct variation? If so find k

What fraction of 3 1/2 is 1 1/6

An ant has a length of approximately 7 * 10-3 meters and an anaconda has a length of approximately 6 x 100 meters. About how many times longer is the anaconda as compared to the ant?

The last time i bought this product, it cost $20.00 but it looks like it cost 29. 60 today? What is the increase

How many integers between 360 and 630 are there such that they have odd number of divisors?

Find the volume of a box that will hold nine 9.425 cm3 cylindrical containers that each measure 3 centimeters long. (round to nearest whole number)

What is the explicit formula for this sequence? 2, 10, 50,250, 1250 ...

A fruit salad contains 25 blueberries and 20 raspberries. What is the ratio of blueberries to raspberries in the fruit salad? A. 4:9 B. 5:4 C. 4:5 D. 5:9

a school art teacher designs a circular flower bed inside a rectangular sandbox the sandbox is 6 feet wide and 10 feet long how many square feet will there be for sand after the flower bed is installed? us 3.14

Given f (x) = - 15x - 13, find x when f (x) = - 28.