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Allie answered 72% of the questions on her math test correctly. if she answered 18 questions correctly, how many questions were on the test?

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.)

What are the coordinates of the midpoint of ab? ,1/2) /2,-1) ,-3/2) /2,-2)