Which statements are true about the ordered pair (7, 19) and the system of equations? {2x−y=−5x+3y=22 select each correct answer. the ordered pair (7, 19) is a solution to the first equation because it makes the first equation true. the ordered pair (7, 19) is a solution to the second equation because it makes the second equation true. the ordered pair (7, 19) is not a solution to the system because it makes at least one of the equations false. the ordered pair (7, 19) is a solution to the system because it makes both equations true.

Ithink i know it but i want to be sure so can you me out ?

Exclude leap years from the following calculations. (a) compute the probability that a randomly selected person does not have a birthday on october 4. (type an integer or a decimal rounded to three decimal places as needed.) (b) compute the probability that a randomly selected person does not have a birthday on the 1st day of a month. (type an integer or a decimal rounded to three decimal places as needed.) (c) compute the probability that a randomly selected person does not have a birthday on the 30th day of a month. (type an integer or a decimal rounded to three decimal places as needed.) (d) compute the probability that a randomly selected person was not born in january. (type an integer or a decimal rounded to three decimal places as needed.)

Quadrilateral abcd is a parallelogram with diagonals that intersect at point e. which of the following statements is true?