A jar contains 4 blue buttons, 10 red buttons, 2 yellow button and 4 black buttons. You draw a button at random from the jar. You replace the first button and draw another. What is the probability that you draw a red button and then a yellow button?

Suppose that the price p (in dollars) and the weekly sales x (in thousands of units) of a certain commodity satisfy the demand equation 4p cubedplusx squaredequals38 comma 400. determine the rate at which sales are changing at a time when xequals80, pequals20, and the price is falling at the rate of $.20 per week.

How do i multiply two digit numbers

How to simply and write the answer n a whole number