A cup of coffee contains 130 mg of caffeine. If caffeine is eliminated from the body at a rate of 11% per hour, how much caffeine will remain in the body after 3 hours?

You're given two side lengths of 6 centimeters and 9 centimeters. Which measurement can you use for the length of the third side to construct a valid triangle?

Perform the following conversions convert 5.0 cm to m

B. 2x + 7 - - 5x + 8 = 3 (5 + 6x) - 12x ?

A rational number is a whole number true or sometimes or never

What is 127,034 rounded to the nearest ten thousand

Sixty years ago, your mother invested $4,500. today, that investment is worth $430,065.11. what is the average annual rate of return she earned on this investment?

two cards are drawn without replacement from a standard deck of 52 playing cards. what is the probability of choosing a diamond and then without replacement another diamond?

Find the volume of the parallelepiped (box) determined by uv and w

At a certain college, the ratio of men to women is 5 to 4. If there are 2800 men, how many women are there?

How long would it take for a girl to run 7 miles?