I need help if you get it right I will mark you brainlest median, mode, range, symmetrical

What basic trigonometric identity would you use to verify that csc x sec x cot x = csc^(2)x

Use the normal approximation to the binomial distribution to answer this question. fifteen percent of all students at a large university are absent on mondays. if a random sample of 12 names is called on a monday, what is the probability that four students are absent?

Use the x-intercept method to find all real solutions of the equation.x^3-10x^2+27x-18=0