Dave uses the Associative Property of Multiplication to write an expression that is equivalent to 8 x (5 x b)? Which expression did he write? A. (5 + b) x 8 B. (8 x 5) x b C. 8 + (b x 5) D. 8b x 5b​

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)?

Which of the following is the true for f(x) = 5cos

Acompany that makes? hair-care products had 5000 people try a new shampoo. of the 5000 ? people, 35 had a mild allergic reaction. what percent of the people had a mild allergic? reaction?