What are all of the real roots of the following polynomial? f(x) = x4 - 13x2 + 36 a. -3, -1, 1, and 3 b. -2 and 2 c. -3, -2, 2, and 3 d. -3 and 3

Awork system has five stations that have process times of 5, 9, 4, 9, and 8. what is the throughput time of the system?

What is the value of the discriminant, b2 ? 4ac, for the quadratic equation 0 = x2 ? 4x + 5, and what does it mean about the number of real solutions the equation has?

Gables properties corp. is leasing office building with an area of 49b^2+70b+25. what is the shape of the building? a) rectangle b) square