Need help with algebra 1b hw due at 8am. Will send money to anybody who helps me!

Translate the word phrase into a math expression. 15 fewer than the product of 4 and a number. (pls immediately)

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%

Leslie started last week with $1200 in her checking account. during the week, she wrote the checks below.