What is the probability that a randomly selected registered voter will have voted if 11,832 out of 16,959 registered voters voted? Number

(Give your answer as a number between 0 and 1. Round to at least 2 decimal places.)

What is the area of a pizza with a radius of 40 cm leave the answer in terms of π to find your exact answer 40π cm² 1600π cm² 800π cm² 80π cm² π=pi

Ineed with math stuff it involves graphs

The party planning committee has to determine the number of tables needed for an upcoming event. if a square table can fit 8 people and a round table can fit 6 people, the equation 150 = 8x + 6y represents the number of each type of table needed for 150 people.