What is the greatest common factor of 60x4y7, 45x5y5, and 75x3y?

How do you use the additive inverse to evaluate an expression that uses subtraction in a full sentence

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

In which form is the following function written? y = - 2(x – 3)(x + 5)