The lowest point in the United States is Death Valley in California. Its altitude is 282 feet below sea level. Write an integer to represent the altitude of Death Valley.

Which values for a and b will create infinitely many solutions for this system of equations? ax-y=8 2x+y=b

Officer brimberry wrote 24 tickets for traffic violations last week, but only 9 tickets this week. what is the percent decrease? give your answer to the nearest tenth of a percent.

Which of the following expressions are equivalent ?