matthew purchased a desk that was on sale for 45% off the original price of $480 if the sales tax was 8% (of the sale price) how much did matthew spend on the desk

What is the ratio for the surface areas of the cones shown below, given that they are similar and that the ratio of their radil and altitudes is 4: 3? 23

Factor and solve to find roots x squared -x - 90 =0

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?