Which equations are true for the values of x, y, and z? Select three options. 2 lines intersect to form 4 angles. Clockwise, from top, the angles are: 65 degrees, x, y, z. x degrees + 65 degrees = 180 degrees x degrees = z degrees y degrees = 65 degrees x degrees= 65 degrees x degrees + y degrees + z degrees = 115 degrees

Don't know how to find x given these segment lengths

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.

Abox holds 500 paperclips. after a week on the teacher's desk 239 paperclips remained. how many paperclips were used?