What is the ratio between 20 and 62.83?

You are a clerk at convenience store. a customer owes 11.69 for a bag of potatoes chips. she gives you a five dollar bill. how much change should the customer receive?

How many triangles can be drawn with side lengths 4 centimeters, 4.5 centimeters, and 9 centimeters? explain

15 and 14.7 are 1 apart, so 15 – 14.7 must be 1.