What is the perimeter in units of rectangle PQRS

What is the value of x? enter your answer in the box. x = two intersecting tangents that form an angle of x degrees and an angle of 134 degrees.

Let f(x) = x+3 and g(x) = 1/x the graph of (fog)(x) is shown below what is the range of (fog)(x)?

How do you create a data set with 8 points in it that has a mean of approximately 10 and a standard deviation of approximately 1?