THIS IS DUE NOW PLEASE HELPPP A class has 33 students. In how many different ways can four students form a group for an​ activity? (Assume the order of the students is not​ important.)

There are different ways that the four students can form a group for an activity.

When x = 3 and y = 5, by how much does the value of 3x2 – 2y exceed the value of 2x2 – 3y ?

The position of a moving particle is given by the position function: f(t)=-9t-t^2-0.2t^3+0.1t^4 a. at what time does the particle reverse direction? b. when is the displacement positive? (round one decimal place and answer in interval notation) c. when is the displacement negative? (round one decimal place and answer in interval notation) d. when is the particle’s acceleration positive? (round one decimal place and answer in interval notation) e. when is the particle’s acceleration negative? (round one decimal place and answer in interval notation)

Write an equation of the line that passes through 9,2 and is parallel to the line y=5/3x+9