Find the mean and median of each data set. The average yearly gold price for the period from 2000-2009:
$279.11, $271.04, $309.73, $363.38, $409.72, $444.74, $603.46,
$695.39, $871.96, $972.35

Which of the expressions (on the photo document i inserted) together represent all solutions to the following equation? 8cos(12x)+4=-4 *the answer should be in degrees.* > i would like for someone to explain the process to find the solutions for this.

What is the value of r of the geometric series?

What is the value of f(x) = 2.2 for f(-2)?