Cecilia pagó un total de $12.50 por las entradas de 5 amigas a la bolera. Las amigas le pagarían después.
Si una amiga le pagó $5 por su entrada, ¿cuánto le debe devolver Cecilia?

While scuba diving, rajeev dove to a depth of 12.6 feet below the surface of the water and then descended another 8.7 feet. what expression can be used to find rajeev's new position? 12.6 – 8.7 –12.6 – 8.7 –12.6 – (–8.7) 12.6 – (–8.7)

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 x is 6, then 7x= a. 13 b. 42 c. 42x d. 76