there are 36 pupils in a class 4/9 wear digital watches. how many pupils in the class do. not wear digital watches

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 of these is and example of a literal equation? a) 6+30=6^2 b)3x-4y c)12=9+3x d)ax-by=k

Which is the equation of a line perpendicular to the line with the equation 3x+4y=8