Without actually carrying out the steps of multiplication, determine whether the product of 15.1 and 0.9 will be larger or smaller than 15.1. Use complete sentences to explain your answer.

Twice the sum of a number and 4 is equal to three times the difference of the number and 7. find the number.

Factor the expression using gcf 9b+45

He weights of 2-pound bags of best dog food are approximately normally distributed with a given mean  and standard deviation  according to the empirical rule, what percentage of the bags will have weights within 3 standard deviations of the mean? 47.5%68%95%99.7%