Derek says. **
When the pattern number is odd, an odd number of square tiles is needed to make
the pattern
(c) Is Derek right?
You must give reasons for your answer.
I

If the sales price of a dvd is $20 and the markup is 34%, what is the cost of the dvd?

Need ! the total ticket sales for a high school basketball game were $2,260. the ticket price for students were $2.25 less than the adult ticket price. the number of adult tickets sold was 230, and the number of student tickets sold was 180. what was the price of an adult ticket?

Type the correct answer in the box. use numerals instead of words. if necessary, use / for the fraction bar.