7) seven more than the quotient of a number and 3 equals 11 8) the difference between half a number and 11 is -25

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

Which graph represents an even function?

Which of the following is the result of expanding the series