An amusement park has discovered that the brace that provides stability to the Ferris wheel has been damaged and needs work. The arc length of the steel
reinforcement that must be replaced is between the two seats shown below. The
sector area is 28.25 ft2 and the radius is 12 feet. What is the length of steel that
must be replaced (Arc Length)? Describe the steps you used to find your answer and
show all work. Round 0 to the nearest tenth.

Solve the system of equations. y= 2x y= x^2 - 15

Which statement justifies why angle ebc measures 90?

Quick! a survey of 57 customers was taken at a bookstore regarding the types of books purchased. the survey found that 33 customers purchased mysteries, 25 purchased science fiction, 18 purchased romance novels, 12 purchased mysteries and science fiction, 9 purchased mysteries and romance novels, 6 purchased science fiction and romance novels, and 2 purchased all three types of books. a) how many of the customers surveyed purchased only mysteries? b) how many purchased mysteries and science fiction, but not romance novels? c) how many purchased mysteries or science fiction? d) how many purchased mysteries or science fiction, but not romance novels? e) how many purchased exactly two types of books?