Apoll was conducted in which every 49th student entering a school is polled. there where 496 students that entered the school on the day of the poll. which type of sampling was used?

If 25% of y is 30, what is 60% of y?

In right ∆abc shown below, the midpoint of hypotenuse ac is located at d and segment bd is drawn.if ab = 12 and bc = 16, then explain why bd = 10. hint: consider what you know about the diagonals of a rectangle.

Jermaine has t subway tokens. karen has 4 more subway tokens than jermaine. raul has 5 fewer subway tokens than jermaine. which expression represents the ratio of karen's tokens to raul's tokens