A bag contains​ pennies, nickels,​ dimes, and quarters. There are 50 coins in all. Of the​ coins, 12​% are pennies and 32​% are dimes. There are 8 more nickels than pennies. How much money does the bag​ contain?

Which expression is equivalent to -5(3x - 6/7)

The number of calories you burn depends on your weight. a 110-pound person burns 163 calories during 30 minutes of tennis. find the number of calories that a 190-pound person would burn during the same activity, assuming they burn calories at the same rate.

Petes dog weighed 30 pounds it then lost 16% of it's weight how much did pete lose