Suppose that the concentration of a bacteria sample is 70,000 bacteria per milliliter. If the concentration triples in 4 days, how long will it take for the concentration to reach 119,000 bacteria per milliliter?

How much shingles needed for a 1200 square feet home?

What is - 6-16? and then subtract 2

Bob has a total of 60 adventure cards for a game. The table shows the number of cards, c, distributed to p players. Which equation describes the pattern in the table?

The complete outside including the bottom of a wooden 4 inch cube is painted red. The painted cube is then cut into 1 inch cubes. How many of the 1 inch cubes do not have red on any face?

Find 0.01 more than 9.154.

When asked to write the prime factorization of the number 27, a student wrote 9 times 3. Explain the error and write the correct answer.

A diver went 3 feet below the surface of the water and tagged a rock with a flag, and then went down an additional 2 feet to tag another rock. Which number line is a correct representation of the distance between the two flags?

A statistician proposed a new method for constructing a 90 percent confidence interval to estimate the median of assessed home values for homes in a large community.

There are 914.4 millimeters in a yard. There are 3feet in a yard. How many millimeters are in a foot?

How do I solve 39x-3y=21