It's holiday shopping time! at your favorite store, all sweaters are 30% off the original price. you, being the clever shopper you are, also have a coupon for 15% off any item, even those on sale. how much does a $75 sweater cost? hint: this is a 2-step problem. first, find the cost of the sweater at the 30% sales price. then use your coupon for an additional 15% savings.

Write the expression in complete factored form. 5n_(c - 3) - n(c - 3) =

The distance of a chord from the centre of a circle is 12cm and the lenght of the chord is 10cm. find the radius of the circle

Twelve different video games showing substance use were observed and the duration times of game play (in seconds) are listed below. the design of the study justifies the assumption that the sample can be treated as a simple random sample. use the data to construct a 99% confidence interval estimate of μ, the mean duration of game play. 4028 4316 4816 4650 4036 5010 4833 4331 4307