Pls help Find the mean and the MAD.
[Note: Type your answers as decimal numbers, rounded to the nearest tenth.)
135, 160, 145, 155, 170, 150, 142
Mean:
MAD

Dean and karlene get paid to write songs. dean is paid a one-time fee of $20 plus $80 per day. karlene is paid a one-time fee of $25 plus $100 per day. write an expression to represent how much a producer will pay to hire both to work the same number of days on a song.

Can someone me find the original price? the discount is 5% and the sale price is $68.40

20 points plus brainliest andwer plus my hover hoard im v desperate ! evaluate the polynomial for x=-2 in the equation -3x^3+7x^2-7x-1 (simplify your answer)