Seven of a baseball players first 28 hits were triples. The baseball player had a total of 140 hits. If the baseball player maintained his rate of hitting triples, how many triples did this baseball player hit in all?

Nikolas calculated the volume of the prism. his work is shown below.

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?

Me answer this question: -2/3p + 1/5 - 1 + 5/6p i think the simplified expression is 1/6p - 4/5 correct me if i'm wrong, and explain it! if i have it right, just tell me. you so