your choice a tile a random from a bag containing 5 a's 4 b's and 4 c's. you replace the first tile in the bag and then choose again. find P(C and C)

What is the exact area of a circle with a diameter of 50 centimeters? a.87.9 square centimeters b.379.9 square centimeters c.1962.5 square centimeters d.4923.5 square centimeters

What are the measures of ∠a, ∠b, ∠c and ∠d? explain how to find each of the angle measure.

The human resources manager at a company records the length, in hours, of one shift at work, x. he creates the probability distribution below. what is the probability that a worker chosen at random works at least 8 hours? probability distribution px(x) 6 hours 7 hours 8 hours 9 hours 10 hours 0.62 0.78 пол