Using the numbers 1-9 and the four mathematical operations ( -+x)try to get as
close as you can to the number 45.
You can only use each number once.
You can combine numbers to create two or three digit numbers (you can only use one digit one time)

What is the approximate total length of iron edging needed to create the square frame and the two diagonals?

Dexter read 11 science fiction books and 5 history books. lena read 9 science fiction books and 4 history books. compare the students’ ratios of science fiction books to history books. 1. determine the ratios’ form:    science fiction books to history books 2. write the ratios as fractions:    dexter: 115; lena: 94 3. rewrite with a common denominator. 4. compare. 5. answer the question. determine which shows the correct comparison of the ratios for this problem.

You are at a restaurant and owe $56.20 for your meal. you want to leave an 18% tip. approximately how much is your tip?