1/2r + 2 (3/4r - 1) = 1/4r + 6

C. using a standard deck of 52 cards, the probability of selecting a 4 of diamonds or a 4 of hearts is an example of a mutually exclusive event. true of false

There are 1872 steps in a building that has 104 floors. each floor has the same number of steps. a second building has the same number of floors but 2 fewer steps between each floor. how many steps are there between each floor of the second building?

Find the minimum value of p=10x+26y the constraints are x+y less than or equal to 6, 5x+y greater than or equal to 10, x+5y greater than or equal to 14