John find 1/5 of the bar chocolate he bought was already eaten by his brother. he eat 3/4 of what was remaining. find the portion of the chocolate that is left after john eats.

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 perimeter of a stage is 116 feet. it is 17 feet wide. how long is it?

Look at triangle wxy what is the length (in centimeters) of the side wy of the triangle?