Basically your negatives beside each other turn into a positive because two negatives equals a positive
Answer:












And replacing we got:

And the best anwer is
10.12
Step-by-step explanation:
We have the following data given:
62 63 68 72 79 80 83 93 94 95
And we need to begin finding the mean with the following formula:

And replacing we got:

Now we can find the mean absolute deviation like this:










And finally we can find the mean abslute deviation with the following formula:

And replacing we got:

And the best anwer is
10.12
Answer:
88%
Step-by-step explanation:
0.88*100=88%
First we find the area 10 x 21 = 210 then we multiply 210 x .70 and we get 147.00 total cost. d. 147.00