Add together the income from straight pay and that from tips:
($5/hr)(40 hrs) + $210.50
$200 + $210.50 = $410.50.
Jon's total earnings for the week were $410.50.
First blank: not random Because he sent it to the top 5 students. Not random students throughout the grade.
second blank: I would guess not valid because it was not a random sample.
if x^2=40 you would need to square root both sides to get x alone therefore x=6.3
I will ha em your answer in 15 minutes
