El teorema de Pitágoras establece que: a.-La hipotenusa es igual a la suma de sus catetos elevada al cuadrado.
b.-La suma de las medidas de los catetos es igual a la medida de la hipotenusa.
c.-El cuadrado de la hipotenusa es igual a la suma de los cuadrados de los catetos.
d.-El cuadrado de un cateto es igual a la suma de los cuadrados del otro cateto e hipotenusa.

What is the number 321,000,000 in scientific notation? also what is the number? ?

According to the 2008 u. s. census, california had a population of approximately 4 × 10^7 people and florida had a population of approximately 2 × 10^7 people. which of the following is true? a. the population of california was approximately two times the population of florida. b. the population of florida was approximately twenty times the population of california. c. the population of florida was approximately two times the population of california. d. the population of california was approximately twenty times the population of florida.

Which of the following points is a solution to the system of equations shown? y - x = -1 x + y = -5