The sum of 10 and one-third of a number is equal to 13. What is the number? (Write an equation and solve)

Which rational number could be graphed between -4 and -5

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%

What is the measure of one interior angle of a pentagon