Danielle's school is selling tickets to a fall musical. on the first day of ticket sales the school
sold 5 adult tickets and 10 child tickets for a total of $135. the school took in $67 on the second
day by selling 9 adult tickets and 2 child tickets. find the price of an adult ticket and the price of
a child ticket.
what’s the answer

An angle that measures between 90 and 180° is called a(,

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?

Find the value of the variable and the length of each chord for #5 and #6.