Simplify the radical expression

Can someone answer it, and plot it, for 20 points and brainliest answer? p.s. they're the same ! : )

Afamily has five members. a mom, a dad, two sisters, & a brother. the family lines up single file. what is the probabillity that the mom is at the front of the line

In order to be invited to tutoring or extension activities a students performance 20 point higher or lower than average for the