If n is a positive integer and (x+1)^n is expanded in decreasing powers of x, three consecutive numerical coefficients are in the ratio 2: 15: 70.
compute n.
plz !

The probability that a student graduating from suburban state university has student loans to pay off after graduation is .60. if two students are randomly selected from this university, what is the probability that neither of them has student loans to pay off after graduation?

What three-dimensional solid have 6 rectangular faces, 2 equal bases that are not rectangles and 18 edges

Identify the parent function that can be used to graph the function f(x)=3(x-9)2