On a school field trip, the school requires that there are 6 teachers for every 90 students. if 135 students attend the trip how many teachers are needed? write and solve a proportion showing your work.

i need 4 teachers but i dont know how to put that in a proportion-

What is the range for 31,39,29,34,37,24,36,33,34,28

The sat and act tests use very different grading scales. the sat math scores follow a normal distribution with mean 518 and standard deviation of 118. the act math scores follow a normal distribution with mean 20.7 and standard deviation of 5. suppose regan scores a 754 on the math portion of the sat. how much would her sister veronica need to score on the math portion of the act to meet or beat regan's score?

What is the area of a triangle with vertices at (-3 3) (-3,2) and (1,2)?