What is the common factors of 12 and 42 also 63 and 84

Rewrite the hyperbolic equation 4y^2 -9x^2 +54x-8y-113=0

Solve the x in the equation x^2+14x+17=-96

An assembly consists of two mechanical components. suppose that the probabilities that the first and second components meet specifications are 0.87 and 0.84. assume that the components are independent. determine the probability mass function of the number of components in the assembly that meet specifications. x