decide what values of the variable cannot possibly be solutions for the equation. look at the picture

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

The square pyramid has a volume of 441 cubic inches. what is the value of x? 1/7x is the height x is the base

Solve this problem! extra ! 3025/5.5 = a/90.75