In 1972 federal vehicle emission standards allowed 3.4 hydrocarbons released per mile driven. by 2007, the standards allowed 0.8 hydrocarbons per mile driven. what was the rate of change from 1972 to 2007?

Ateacher asked his students to vote for an animal to be their class pet. five-eighteenths of the students voted for a rabbit, voted for a snake, and voted for a hamster. which statement is true? more students voted for a hamster than a snake. more students voted for a snake than a rabbit. more students voted for a rabbit than a hamster. more students voted for a snake than a hamster.

Apark is in the shape of a rectangle. the park authorities are planning to build a 2-meter-wide jogging path in the park (shown as the shaded region in the image). what is the area of the jogging path? plz

What is the quotient of m^6/5 ÷ 5/m^2? assume m does not equal pl