I need help with this question

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

For g(x) = 5x - 3 and h(x) = [tex]\sqrt{x}[/tex], find (g · h)(4)

Apackage of orgainc strwberries costs $1.50 while there in season and $2.25 when not in season what the percent increase