Help? also i wanna know how to solve it.

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

Find cot x if sin x cot x csc x = √2

In order for the function to be linear, what must m be and why? m = 22 because the rate of change is 1. m = 20 because the rate of change is 3. m = 22 because the rate of change is -1. m = 20 because the rate of change is -3.