Simplify the expression 7y - 2y - 3y

The circumference of a circle is 60 pi cm3what is the radius of the circle

The scale for a map is 20 miles = 1/2 inch. the distance between two towns on the map is 3 3/4 inches. what is the actual distance between these towns? 150 miles 38 miles 75 miles 135 miles

What are the coordinates of the midpoint of ab? ,1/2) /2,-1) ,-3/2) /2,-2)