How many constants does the expression below contain? 2x^5 +x ^4- 14x + 3​

Which of the following statement about pascal's triangle are true?

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.)

Using the side-splitter theorem, daniel wrote a proportion for the segment formed by luke segment de. what is ec?