Tolong dong no. berapa aja tapi saya butuh banget no.4,8 soal eksponen mtk doang

Which of the following statements would be sufficient to prove that parallelograms pqrs is a rectangle ?

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.)

Is of - 4x + 2? a. 3 b. 4 c. 6 d. 5