Elise is measuring the angles of a triangle. she measures the first two and gets 30° and 100°. what should be the measure of the third angle? a) 50° b) 60° c) 130° d) 230°

Fanny mendelssohn manages all the magazines and paperback books at a local grocery store. she prices many paperbacks to sell at $7.99. the cost to the store is $5.29. what is the markup rate on a paperback book, based on its cost?

45 was divided by a power of ten to get 4.5. what power of ten was it divided by? people 4.5

The difference between two numbers is one. three times the larger number minus two times the smaller number is 9. what are the two numbers