Janet can shovel snow from her driveway in 55 minutes. Bill can do the same job in 45 minutes. How long would it take Janet and bill to shovel the driveway if they worked together?

With number 11 ( show how you got the answer)

Use this graph to find the cost of 6 show tickets

The area (a) of a circle with a radius of r is given by the formula and its diameter (d) is given by d=2r. arrange the equations in the correct sequence to rewrite the formula for diameter in terms of the area of the circle.