A radioactive substance decays exponentially. A scientist begins with 130 milligrams of a radioactive substance. After 24 hours, 65 mg of the substance remains. How many milligrams will remain after 45 hours?

Kristi wants to start training her most junior assistant, Amy, in the art of project analysis. Amy has just started college and has no experience or background in business finance.

Graph the line x = - 6

Which of the following is written in correct scientific notation? 52.6 * 10-9 6.39 * 109 0.12 * 10-2 10 * 107

Mayer Company received a seven-year zero-interest-bearing note on February 22, 2016, in exchange for property it sold to Reardon Company. There was no established exchange price for this property and the note has no ready market.

Karen needs to make a total of 40 deliveries this week. So far she has completed 4 of them. What percentage of her total Deliveries has Karen completed

An oblique prism with a square base of edge length x units has a volume of x3 cubic units. Which expression represents the height of the prism? x units x units 2x units x units

How to slimplify 4/7

What's 8/9 minus 3/8?

Scores on exam are normally distributed with a mean of 45 and standard deviation of 8 1. what is the probability that the score of a student will be higher than 52.6? 2. what proportion of the students score below 43? 3.

Avarie is cutting a 12 foot long piece of wood into 1/4 - foot sections. How many sections will result