Si dentro de 15 años Eduardo tiene el doble de edad que la que tenía hace 5 años, ¿qué edad tiene ahora?

Choose the correct slope of the line that passes through the points (1, -3) and (3, -5)

The first-serve percentage of a tennis player in a match is normally distributed with a standard deviation of 4.3%. if a sample of 15 random matches of the player is taken, the mean first-serve percentage is found to be 26.4%. what is the margin of error of the sample mean? a. 0.086% b. 0.533% c. 1.11% d. 2.22%

Which of the following is an example of a rational number? a. π b. √ 9 c. √ 8 d. 3.8362319