The grocery store is having a sale on sports drinks. You can get 8 drinks for $9.60. How much would it cost to buy 12 drinks at the same rate?

The weight of full–grown tomatoes at a farm is modeled by a normal distribution with a standard deviation of 18.4 grams. the 95 percent confidence interval for the mean weight of the tomatoes is calculated using a sample of 100 tomatoes. what is the margin of error (half the width of the confidence interval)?

Evaluate the expression for the given value of the variable. | ? 4 b ? 8 | + ? ? ? 1 ? b 2 ? ? + 2 b 3 -4b-8+-1-b2+2b3 ; b = ? 2 b=-2

Sara made $253 for 11 hours of work. at the same rate how much would he make for 7 hours of work?