The circumference of the flying disc for the first game which is 27.3 cm is how many centimeters greater than the circumference of the flying disc for the second game which is 22.5 CM rounded to the nearest centimeter used 3.14 for pi

Suppose you want just guess at the answers in a 5 question multiple-choice test. each question has 3 responses and only one is correct. what is the probability of getting two questions right just guessing? 20 points 0.3275 0.2753 0.7532 none of the above

Precalculus question, image attached.

What is the solution to this system of equations? y= 2x - 3.5 x - 2y = -14