Martina is currently 10 years older than her cousin Joey. In 2 years she will be 3 times as old as Joey. Use this information to answer the following questions.

Part 1 out of 4
If you let x represent Joey's current age, what expression can you use to represent Martina's current age?

According to modern science, earth is about 4.5 billion years old and written human history extends back about 10,000 years. suppose the entire history of earth is represented with a 10-meter-long timeline, with the birth of earth on one end and today at the other end.

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.

If rt is greater than ba, which statement must be true ?