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Show that the set {3, 10, 17, 24, ….} is infinite by placing it in a one-to-one correspondence with a proper subset of itself. 

Determine the sum of the measures of the interior angles of a decagon.

The chart below gives the number of vehicle tags sold in each city. If one car is selected at random from the cars with vehicle tags from these cities, what is the probability that the car is from Salem?  Round your answer to four decimal places.

Find     

What are the odds in favor of the spinner landing on an A?

Angle 1 and Angle 2 are supplementary angles.  

A ramp leads up to a warehouse loft.  The path up the ramp is 19 feet long.  The base of the ramp is 16 feet long.  How high is the loft?  Round your answer to the nearest hundredths.

Determine the measure of an interior angle of a regular nonagon.

Find the surface area of the solid below.

The odds in favor of a horse winning a race are posted as 8:7.  Find the probability that the horse will lose the race.