Alexa and Siri are 22 miles apart on a trail. They start moving toward each other. Siri moves at a constant speed of 1.5 miles per hour. Alexa walks at a constant speed of 2.5 miles per hour. How long does it take until Alexa and Siri meet on the trail?

The administrator of a large assisted living facility wanted to know the average age of the residents living at the facility. he randomly selected 12 residents and determined their age, listed here: 80, 65, 75, 83, 68, 73, 88, 79, 94, 72, 79, 68 what's the average age of the sample of residents? a. 79 years old b. 68 years old c. 75 years old d. 77 years old

The border line of the linear inequality 4x + 7y < 5 is dotted true or false?

The distance between two cities is 368 miles. if the scale on the map is 1/4 inch=23 miles, what is the distance between the cities on the map?