Pls answer I'll give you brainliest Your math teacher asks his/her class if √8/2 is a rational or irrational number. The class decided that it is a rational number because it is written as a fraction. Was the class correct, why or why not?

The means and mean absolute deviations of the individual times of members on two 4x400-meter relay track teams are shown in the table below. means and mean absolute deviations of individual times of members of 4x400-meter relay track teams team a team b mean 59.32 s 59.1 s mean absolute deviation 1.5 s 245 what percent of team b's mean absolute deviation is the difference in the means? 9% 15% 25% 65%

Sketch one cycle if the cosine function y=2cos2theta

In priyas math class there are 10 boys and 15 girls. what is the ratio of boys to girls in priyas math class? express your answer as a decimal