Marco says he will earn more interest on his $100 savings if he gets 4% interest compound anually than if he gets 5% simple interest. How many years does he have to keep the money in the bank without withdrawi g any to be right?

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%

Calculate the missing value. round the answer to on decimal place. start with 70, increase it by 21%, and end up with

Which shaded region is the solution to the system of inequalities? y y[tex]\geq[/tex]-x+1