Given sin(−θ)=−14 and tanθ=15√15. what is the value of cosθ?

When amy exercises in her fitness center for 1 hr she burns a total of 475 calories. if she burns 9 calories a minute jogging on the treadmill and then burns 6.5 calories a minute pedaling on the stationary bicycle how many minutes of the hour does she spend exercising on the bicycle?

Dan runs a busy desktop-publishing company. his company want to increase its exposure, so it runs a new a new promotion each week. the tool dan most likely choses to publicize this is a promotion is a

Sweater originally priced at $65 is on sale for 15% off. you also have a coupon that takes another $10 off. what percent of the original price do you pay?