A store is having a sale where all bathing suits are 20% off the original price. Sarah has a coupon for $4 off of the original price of one bathing suit. The store first applies the coupon, and then takes 20% off of the reduced price. If Sarah pays $21.52 for her bathing suit, what was the original price before the sale and without the coupon?
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2people are trying different phones to see which one has the better talk time. chatlong has an average of 18 hours with a standard deviation of 2 hours and talk-a-lot has an average of 20 hours with a standard deviation of 3. the two people who tested their phones both got 20 hours of use on their phones. for the z-scores i got 1 for the chatlong company and 0 for talk-a-lot. what is the percentile for each z-score?

The following division is being performed using multiplication by the reciprocal find the missing numbers is 5/12 divided by x/3 equals 5/12 times x/10 equals 1/x

Asugar cube is inch on each edge. how much volume does it occupy?