Calculate the mean absolute deviation of the electric bills for Family C. Round your answer to the nearest cent.

Can someone me with this problem . show your work .

Aquadratic equation in standard from is written ax^2= bx+c, where a, b and c are real numbers and a is not zero?

The holiday party will cost $160 if 8 people attend. if there are 40 people who attend the party, how much will the holiday party cost