August hosted two dinner parties for his friends. Twenty guests attended the first party, and thirty-five guests attended the second party. What is the percentage increase of the number of guests from the first party to the second party?

What is the missing reason in step 5? linear pair postulategivendefinition of complementary anglescongruent complements theorem

Math it's appreciated. (picture provided)

In a survey of 1015 adults, a polling agency asked, "when you retire, do you think you will have enough money to live comfortably or not. of the 1015 surveyed, 534 stated that they were worried about having enough money to live comfortably in retirement. construct a 90% confidence interval for the proportion of adults who are worried about having enough money to live comfortably in retirement.