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Choose the appropriate metric measure to measure the length of a smart phone.

Find the equation of the circle with center (1, -5) and radius 7.

A trend line has the equation y = 3x – 1.7. What y-value would you expect to obtain when x has the value 2?

Find the range of the data set:  15, 22, 18, 25, 10.

If lines a and b are parallel, find x:  

In the figure, lines l and m are parallel, and the measure of angle 3 is  

Can a triangle have two obtuse angles? Why or why not?

Find the median of the data set: 25, 5, 35, 10, 10, 10, 20, 20.

Find the measure of angle y in the figure:     

The spinner shown is spun. (Assume that the size of each sector is the same.) Find the probability that the spinner lands on an odd number.