Alison bought 12 shares in The Toy Company when it cost $27. She is planning on selling her shares and they currently cost $39.50. What is the percent increase in sale price (round to the nearest percent) ?

Make x the subject of: 2x + a = b (x - 2)

Rene is going to the lake to visit some friends. If the lake is 60 miles away, and Rene is driving at 40 miles per hour the entire time, how long will it take her to get to the lake?

David and Mark are marking papers each set takes David 61 minutes and Mark 1 hour express the times David and Mark take as a ratio in its simplest form

Alfredo pays gamestop 2$ for every half an hour to play any game he wants to online. He purchased a new ps4 console that will cost him 15$ monthly installments on his monthly bill A.

The scores on a standardized test are normally distributed with a mean of 500 and a standard deviation of 60. Jake scored 520 on the test.

Acidity is measured on the pH scale. The acidity of a substance is given by pH=-logH, where H is the concentration of Hydrogen ions. If a substance has an H value of 0.0008, what is the pH of the substance, rounded to the nearest tenth?

Which value, when placed in the box, would result in a system of equations with infinity many solutions Y=2x-5 2y-4x =

What is the vertex of the graph of the function below y=x^2-8x+12

Is 34 over 35 greater than 0.6

You invested $300 in a savings account. the accpount pays 8% annual interest. how much money will be in the account after nine years?