What is the degree of the polynomial 4x^3y-3xyz+5x^2

Sawsan recorded the favorite sport of students at her school. she surveyed 200 students. how many students chose tennis?

B. two events are dependent if the occurrence of one event changes to occurrence of the second event. true or false

Margie is practicing for an upcoming tennis tournament. her first serve is good 20 out of 30 times on average. margie wants to know the estimated probability that her first serve will be good at least four of the next six times she serves. how could she design a simulation for this scenario?