A system contains two subsystems connected in series, such that the system can function properly only if both of the two subsystems can function properly. Let the probability is 0.85 for each subsystem to function properly and assume the subsystems function independently. What is the probability that the whole system can function properly

Which expression is a perfect cube? a. x8 b. y24 c. m28 d. x64

Quickly multiply and simplify polynomials (x – 4) (x^2 – 5x – 6)

The length of a rectangular board is 3 feet less than twice its width. a second rectangular board is such that each of its dimensions is the reciprocal of the corresponding dimensions of the first rectangular board. if the perimeter of the second board is one-fifth the perimeter of the first, what is the perimeter of the first rectangular board?