There are 28 nonfiction books and 35 fiction books in the teacher's collection. which of the following expresses the ratio of nonfiction books to fiction books in simplest form? a.
b.
c.
d.

13 points

Anormally distributed data set has a mean of 176.3 and a standard deviation of 4.2. what is the approximate z-score for the data value of 167.9? 2.00 −2.00 8.4 −8.4

Solve the equation by completing the square. x^2+2x=17

You’re ordering more thread for blue jeans co. you usually purchase from ted’s threads, which sells 12 thread spools for $27. you recently received a notice from wade's wares that says you can buy thread from them for $2.30 each for the first 2 dozen and $2 a spool thereafter. you need to order 5 dozen spools. what percentage can you save by going with wade’s wares?