Which set of scores has the greatest variance? A) 80,89,98,112 B) 57,57,59,56 C) 20,39,43,60 D) 17,19,23,25 Please show work! Thank you

At $1.32 million, they closed last month percent above what they paid in 2007." how much did they pay in 2007?

Elizabeth claims that the fourth root of 2 can be expressed as 2^m since (2^m)^n = 2. find the values of m and n for the case where elizabeth's claim is true.

Desmond wants to sell his car that he paid $8,000 for 2 years ago. the car depreciated, or decreased in value, at a constant rate each month over a 2-year period. if x represents the monthly depreciation amount, which expression shows how much desmond can sell his car for today? \ 8,000 + 24x 8,000 - 24x 8,000 + 2x 8,000 - 2x