Identify the transformation that maps the regular pentagon with a center (0, -2) onto itself.
a) reflect across the x-axis
b) rotate 90° about the point (0, -2)
c) rotate 144° about the point (0, -2)
d) rotate 180° about the origin (0, 0)

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.

Which of the binomials below is a factor of this trinominal? x^2-13+30

On a architect's drawing of a house, 1 inche representa 1.5