In the diagram below, ois circumscribed about quadrilateral abcd. what is
the value of x?
ο
α. 100
ο
β. 15
75
0
ο
c. 57
ο
d. 21
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Jack has a piece of red ribbon that is two times as long as his piece of blue ribbon. he says that he can use two different equation to find out how long his piece of red ribbon is compared to his piece of blue ribbon is. is he correct? explain his reasoning

Sketch one cycle if the cosine function y=2cos2theta

Fatima plans to spend at least $15 and at most $20 dollars on sketch pads and pencils. if she buys 2 sketchpads, how many pemcils can she buy while staying in her price range? fatima can buy between and pencils. ? (type whole numbers. use ascending? order.)