Can someone help determine the equation in factored form

The diameter of a table is 5 feet. what is the circumference

The multiplication property of zero states that the product of any number and 0 is 0. what must be true about either a or b to make ab=0

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