The following is a list of the amounts of crude oil, in thousands of barrels, exported by 10 oil-exporting countries in a recent year.          84   124    70   26  25

         29   9  12  3 150

What is the range of these amounts?

Achemist has 200 ml of a 10% sucrose solution. she adds x ml of a 40% sucrose solution. the percent concentration, y, of the final mixture is given by the rational function: the chemist needs the concentration of the final mixture to be 30%. how many milliliters of the 40% solution should she add to the 10% solution to get this concentration?

Write numerical coefficient of y² in the expression 2x² - 15xy – 7y²

An initial investment of $100 is now valued at $150. the annual interest rate is 5%, compounded continuously. the equation 100e0.05t = 150 represents the situation, where t is the number of years the money has been invested. about how long has the money been invested? use your calculator and round to the nearest whole number. years