Whats the value of x
1)84
2)96
3)132
4) 264

The perimeter of a square is80-64y units. which expression can be used to show the side length of one side of the square?

Without graphing the linear functions, find the coordinates of the point of intersection of their graphs: y=3x−11 and y=4

Describe in detail how you would construct a 95% confidence interval for a set of 30 data points whose mean is 20 and population standard deviation is 3. be sure to show that you know the formula and how to plug into it. also, clearly state the margin of error.