HELP ASAP!! Find the total area of the figure below. Round your answer to the nearest tenth

sorry i just need points ;(

Step-by-step explanation:

area = 88 mi²

Step-by-step explanation:

all vertical dimensions = 8/2 = 4 mi

area = (4 x 11.9) +(4 x 6.1) + (4 x 4) = 88 mi²

The following steps will show you how to calculate the sample mean of a data set:

Add up the sample items.

Divide sum by the number of samples.

The result is the mean.

Use the mean to find the variance.

Use the variance to find the standard deviation.