Let P be the set of polynomials. Let a, b, c, and d be elements of P such that b and d are nonzero elements of P. Which statement about this product must be true?

A.
The product is a polynomial.
B.
The product is a rational expression.
C.
The product is a rational number.
D.
The product is an integer.

The random variable x is the number of occurrences of an event over an interval of ten minutes. it can be assumed that the probability of an occurrence is the same in any two-time periods of an equal length. it is known that the mean number of occurrences in ten minutes is 5.3. the appropriate probability distribution for the random variable

What is the effect on the graph of the function f(x)=x when f(x) is replaced with -f(x)+4

Aboard 60 in. long is cut two parts so that the longer piece is 5 times the shorter. what are the length of the two pieces?