The average masses of several insects or animals are shown in the table. The average mass of a
hummingbird is about how many times the average
mass of a housefly?

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

7. the area of the playing surface at the olympic stadium in beijing isof a hectare. what area will it occupy on a plan drawn to a scaleof 1: 500?

Which value of m will create a system of parallel lines with no solution? y = mx - 6 8x - 4y = 12