A river flows due south at 100 ft/min. A motorboat that travels 450 ft./min. in still water is headed due east across the river. Find the resultant speed of the boat. round to the nearest ft./min.

What is the slope of the line that contains the points (4,8) and (9,8)? what type of line is it?

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

What are the solutions of the system? solve by graphing. y = x^2 + 3x + 2 y = 2x + 2