A florist measures the lengths of roses. The lengths in inches of a dozen roses are given below. 13.5 13.5 13.25 13.0 13.25 13.5
13.0 13.25 13.0 13.25 12.75 12.75

Part A
Use the drop-down menus to choose how many dots should go above each data value in the line plot shown below.

Blank line plot no dots Seven tick marks labeled from 12.75 to 14.0

Choose...
dot(s) above 12.75.

Choose...
dot(s) above 13.0.

Choose...
dot(s) above 13.25.

Choose...
dot(s) above 13.5.

Choose...
dot(s) above 13.75.

Choose...
dot(s) above 14.0.

Part B
Mieko said that the difference between the longest rose and the shortest rose is 1 inch. Is she correct?
Use the drop-down menus to show and explain your answer.

Mieko is
Choose...
.

The longest rose is
Choose...
inches, and the shortest rose is
Choose...
.

So, the difference is
Choose...
inch.

Part C
Which equation can be used to find the combined length l of all of the roses?
A. l = (12.75 × 2) + (13 × 3) + (13.25 × 4) + (13.5 × 4)
B. l = (12.75 × 2) + (13 × 3) + (13.25 × 3) + (13.5 × 4)
C. l = (12.75 × 2) + (13 × 3) + (13.25 × 3) − (13.5 × 4) D. l = (12.75 × 2) + (13 × 3) + (13.25 × 4) + (13.5 × 3)
Part D
What is the combined length l of all of the roses? Enter your answer in the box.

inches