Need help with all of these

15, 16, 17, 18!!!

Iknow its nothing to do with education, but what type of thing should i wrote here? ? : ) its for mcdonald's btw.

Question 4 of 10 2 points what is the second part of the process of investigating a question using data? a. rephrasing the question o b. describing the data c. collecting the data o d. making an inference submit

Determine the value of x for which r ∥ s if m∠1 = 73 – 2x; and m∠2 = 89 – 3x. i would like if someone could show me how to solve this, !