Agroup of friends went to lunch. the bill, before sales tax and tip, was $37.50. a sales tax of 8% was added. the group than tipped 18% on the amount after the sales tax was added. what was the amount, in dollars, of the sales tax?

Use the frequency distribution, which shows the number of american voters (in millions) according to age, to find the probability that a voter chosen at random is in the 18 to 20 years old age range. ages frequency 18 to 20 5.9 21 to 24 7.7 25 to 34 20.4 35 to 44 25.1 45 to 64 54.4 65 and over 27.7 the probability that a voter chosen at random is in the 18 to 20 years old age range is nothing. (round to three decimal places as needed.)

Peter measures the angles in a triangle. he finds that the angles are 95, 10 and 75. is he correct? explain your answer

The complement of an angle is one-sixth the measure of the supplement of the angle. what is the measure of the complement angle?