calcula el volumen de una esfera cuyo diametro mide 6cm es para ahorita estoy en examen ayud

In a graph with several intervals o data how does a constant interval appear? what type of scenario produces a constant interval?

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.

Twelve less than a number is at most 20