Amira has two balls. One ball has a mass of 285 grams, and the other has a mass of 275 grams. What is the difference in the mass of the balls? ​

Walking at a constant rate of 8 kilometers per hour, juan can cross a bridge in 6 minutes. what is the length of the bridge in meters?

Vertical angles must check all that apply

Michael split a rope that was 28 inches long into 5 equal parts. brenden split a rope that was 30 inches long into 6 equal parts. which boy's rope was cut into longer pieces?