Zachary traveled from city A to city B. He left city A at 7:30 a. m. and reached city B at 12 noon. Find his average speed if city B is 180 mi away from city A. Please include the units after the answer!

How do you write y-10=2 (x-8) in standard form

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

Acentral angle measuring 160 degrees intercepts an arc in a circle whose radius is 4. what is the length of the arc the circle formed by this central angle? round the length of the arc to the nearest hundredth of a unit. a) 4.19 units b) 6.28 units c) 12.57 units d) 12.57 square units