Each side of a square x units long is decreased by 9 units. Which expression represents the number of square units in the new square's area? O 2x - 18
O x^2 - 18x + 81
O x^2 - 81
O x^2 - 18x + 18​

Is the ordered pair (-10, 7) a solution to the equation y = 17 – x? yes or no

The angle of elevation from point a to the top of a cliff is 38 degrees . if point a is 80 feet from the base of the cliff , how high is the cliff ?

The john nash mall used 17,4000 kilowatt hours in may, with a peak load of 92 kilowatts. the demand charge is $5.95 per kilowatt, and the energy charge is $0.08 per kilowatt hour. the fuel adjustment charge is $0.017 per kilowatt hour. what is the total electricity cost for may?