In 2007, person A's stock portfolio decreased in value by 25%. In 2008, his stock portfolio decreased in value by another 40%. What percentage gain is required in 2009 for person A's stock portfolio...

Determine the number of sample points in the sample space.

Let’s say each once of macaroni contains 4 grams of protein and 3 grams of fat, and each ounce of salmon contains 6 grams of protein and 2 grams of fat. How many ounces of each food should be used...

1. When solving the following system of equations by using the multiply-first method, which variable is easier to eliminate, and what should the multiplier be to help eliminate that variable?...

Translate to a system of equations but do not solve.   A nontoxic floor wax can be made from lemon juice and food-grade linseed oil. The amount of oil should be twice the amount of lemon...

I’m pre algebra i was asked this question.The product of 7 and a number, increased by 19 is 229? What is the number .

3 people have 139 dimes. They want to bag the coins in such a way that they can pay any amount between 1 and 139 dimes by handing over a combination of bags without looking inside them. What is the...