If y = 21, when x = 7, find y when x = 28.

Aparallel system functions whenever at least one of its components works. consider a parallel system of n components, and suppose each component works independently with probability 0.5. find the conditional probability that component n works given that the system is working

Y+ 2/y is it a polynomial in one variable or not? and if so, why?

One positive integer is 2 less than another. the product of the two integers is 24. what are the integers