Ollow the steps below to find the mean for the set of data. Use the work shown to help you.

Data set: 6, 5, 8, 5, 9, 6, 7, 5, 12

First add the values.

6 + 5 + 8 + 5 + 9 + 6 + 7 + 5 + 12 = 63

Then divide by the number of values.

There are 9 values.

What is the mean of the data set?

5

6

7

8

Find the area of a trapezoid with bases 14 cm and 18 cm and height 10 cm. 160 cm2 140 cm2 180 cm2 126 cm2

Find the perimeter of the figure shown above. a. 40 cm c. 52 cm b. 60 cm d. 75 cm select the best answer from the choices provided

Suppose that a households monthly water bill (in dollars) is a linear function of the amount of water the household uses (in hundreds of cubic feet, hcf). when graphed, the function gives a line with slope of 1.65. if the monthly cost for 13 hcf is $46.10 what is the monthly cost for 19 hcf?