Circle O is shown with points A, B, C, and D on Circle O. If x=50, what is the value of y and the angle measurement of ∠AOB? y= blank
m∠AOB= blank
25, 50, 100 or not enough information are my options

Acircus act has 3 times as many elephants as acrobats. jorge noticed that all together there were 56 legs in the circus ring. how many elephants were in the show?

Find the value of x in each case. give reasons to justify your solutions! d q ∈ pr

Monitors manufactured by tsi electronics have life spans that have a normal distribution with a standard deviation of 1800 hours and a mean life span of 20,000 hours. if a monitor is selected at random, find the probability that the life span of the monitor will be more than 17,659 hours. round your answer to four decimal places.