Dana buys dress shirts from a clothing manufacturer for s dollars each, and then sells the dress shirts in her retail clothing with a 7% sales tax . a. Write the sales tax as a decimal.
b. Write an expression for the price with tax of the dress shirt.
c. What is the price including tax of a dress shirt that Dana purchased for $32.00?
d. How much was added to the original price of the dress shirt?

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Assume that there is a 11% rate of disk drive failure in a year. a. if all your computer data is stored on a hard disk drive with a copy stored on a second hard disk drive, what is the probability that during a year, you can avoid catastrophe with at least one working drive? b. if copies of all your computer data are stored on four independent hard disk drives, what is the probability that during a year, you can avoid catastrophe with at least one working drive?

Plz : denver is about 5,200 feet above sea level. which number line best represents this integer?