Which of the statements correctly describe the graph of the function f(x)=6x^2−x^3−7 The choices are:

The degree of f is odd.

The leading coefficient of f is positive.

f(x) approaches ∞ as x approaches −∞.

f(x) approaches −∞ as x approaches ∞.

f has a zero at x=−1.

f has a zero at x=1.

Which ones are correct?

Four airplanes carrying a total of 400 passengersarrive at the detroit airport. the airplanes carry, respectively,50, 80, 110, and 160 passengers.a) one of the 400 passengers is selected uniformly at random.let x denote the number of passengers that were on theairplane carrying the randomly selected passenger. find var(x)for x as given in the problemb) one of the 4 airplane drivers is also selected uniformly atrandom. let y denote the number of passengers on the chosen driver’s airplane. find var(y) for y as given in the problem

At your job you're paid $50 per week plus $3 per sale at least how many saled do you need to make in order to have over $250

Multiply and simplify. 2x^2 y^3 z^2 · 4xy^4 x^2 i will mark you brainliest if right. show how you got the answer, !