Fred completen 10 math problems this is 40 percent of the number of math problems he has to do how many math problems must he do

Astore has clearance items that have been marked down by 60%. they are having a sale, advertising an additional 55% off clearance items. what percent of the original price do you end up paying?

Which is greater, 7 p 5 or 7 c 5? 7p5 7c5

Can someone me with #s 8, 9, and 11. with just one of the three also works. prove using only trig identities.