16 over 28 in simplest form

For f(x)=2x+1 and g(x)= x^2 -7, find (f•g)(x)

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

Is the point (0, 8) on the x-axis or y-axis? how do you know?