One person can do a certain job in 15 minutes and the another person can do the same job in 30 minutes. how many minutes will it take them to do the job together

Evaluate the expression for the given value of the variable 2×(c2-5) for c=4

Find the commission on a $590.00 sale if the commission is 15%.

Amanda went into the grocery business starting with five stores. after one year, she opened two more stores. after two years, she opened two more stores than the previous year. if amanda expands her grocery business following the same pattern, which of the following graphs represents the number of stores she will own over time?