Study the stem-and-leaf plot. How many cars get between 30 and 50 miles per gallon? 55 POINTS
1. 6 cars
2. 7 cars
3. 8 cars
4. 20 cars

Can any one me with the answers to these questions asap?

Solve for n? [tex]z = \frac{3}{4} mn[/tex]

Asquare has a side that measures 11 units. what is the area of a circle with a circumference that equals the perimeter of the square? use 3.14 for π, and round your answer to the nearest hundredth. 1519.76 units2 379.94 units2 616.56 units2 154.14 units2