Richard and Teo have a combined age of 33. Richard is 6 years older than twice Teo's age. How old are Richard and Teo?

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.

What is 0.368,0.380,0.365,and 0.383 in order from least to greatest

Graph 3/6 3/4 and 3/12 on a number line