Sarah, John, and Greg are all on the tennis team. The coach has to pick 3 students to go to a tournament. There are 12 students on the team in total. What is the probability of Sarah, John, and Greg getting picked for the team?

Sam claims that cos x =sin y if x and y are congruent angels. is sam correct ?

Which of the following describes the graph of y--4x-36 compared to the parent square root function? stretched by a factor of 2, reflected over the x-axis, and translated 9 units right stretched by a factor of 2, reflected over the x-axis, and translated 9 units left stretched by a factor of 2, reflected over the y-axis, and translated 9 units right stretched by a factor of 2, reflected over the y-axis, and translated 9 units left save and exit next submit

Aculture started with 4,000 bacteria. after 5 hours, it grew to 5,200 bacteria. predict how many bacteria will be present after 19 hours. round your answer to the nearest whole number.