What is the difference between rational and irrational?

Russell has a collection of 1,200 pennies. Of these pennies, 25% are dated before 1980, 35% are dated from 1980 to 2000, and the rest are dated after 2000. How many pennies in Russell's collection are dated after 2000

2a=-by+c solve for b

1. Consider the relationship between the place values of the 3s in this number. 333.333 Choose all answers that are correct. A. The 3 in the thousands place is 10 times the value of the 3 in the hundredths place. B.

2 (4x + 5) = 8 What's x?

From a group of 5 candidates, a committee of 2 people is selected. In how many different ways can the committee be selected? From a group of 5 candidates, a committee of 2 people is selected. In how many different ways can the committee be selected?

After the 30% discount was applied, Patricia paid $45.50 for the ring. What was the original price of the ring

What is the most answered question on this website? Could this question break its record? Final Question ... Will it?

Frank's Football Gear is having a sale on helmets. The sales price, not including tax is $125.50. If the sale is 30% off all helmets, what is the regular price of the helmet to the nearest cent?

The average ice skate size of customers at an ice rink with 200 patrons is 9.5. Assume the data is normally distributed. If the standard deviation of this data is 0.5, how many patrons have a skate size of 10.5 or larger?

Whats a digit the is in the ones place but 5 as a factor?