If x>y>z>zero which of the following is positive a)xyz b)x^2yz c)x^3yz d)x^3y^3z

F. a fair coin is thrown in the air four times. if the coin lands with the head up on the first three tosses, what is the probability that the coin will land with the head up on the fourth toss? a. 0 b. 1/16 c. 1/8 d. 1/2

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?

Zahra wants the equation below to have an infinite number of solutions when the missing number is placed in the box.