Bree wants to say 40% of her weekly pay as a lifeguard how much does she play each week

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?

You draw a card at random from a deck that contains 33 black cards and 77 red cards.

Look at the figure xyz in the coordinate plane. find the perimeter of the figure rounded to the nearest tenth.