You have r rare coins, consisting of p pennies and n nickels. a. p is 20% of 190. How many pennies do you have? b. 190 is 200% of r. How many rare coins do you have? c. n is 60% of r. How many nickels do you have?

How do businesses a country's economy? a. by investing in goods and services b. by increasing the unemployment rate c. by making profits

Solve for x and y a x= 13.3 y= 16.7 b x= 23.3 y= 12.5 c x= 7.5 y= 16.7 d x=7.5 y= 12.5

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%