A number is squared, then doubled and then 4 is subtracted. The result is the original number. What could the number be? Give your answers to 2DP

Valentina is subtracting from . she finds the lcd to be 15y2. what is valentina's next step?

In the diagram, ab is tangent to c, ab = 4 inches, and ad = 2 inches. find the radius of the circle.

The box plots show the distributions of the numbers of words per line in an essay printed in two different fonts.which measure of center would be best to compare the data sets? the median is the best measure because both distributions are left-skewed.the mean is the best measure because both distributions are left-skewed.the median is the best measure because both distributions are symmetric.the mean is the best measure because both distributions are symmetric