If (x - 5) is a factor of f(x), which of the following must be true?

If c(x) = 4x – 2 and d(x) = x2 + 5x, what is (cxd)(x)

A33 gram sample of a substance that's used to detect explosives has a k-value of 0.1473. n = noekt no = initial mass (at time t = 0) n = mass at time t k = a positive constant that depends on the substance itself and on the units used to measure time t = time, in days

Solve the following simultaneous equation by using an algebraic method (either substitution or elimination) 2x + 3y=-4 4x-y=11