0.77 the digit in the 10th pl. is how many times as the value digit in the hundreds place

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

Which graph represents the parent function of y=(x+2)(x-2)

If private savings 'v' = 0.75s and total savings 's' equals $4.20 billion, solve for public and private savings.