9. Here are Jason's scores on his science tests this year:

85, 91, 48, 98, 99, 91, 90, 84, 91, 87, 80

What is the mean absolute deviation of Jason's scores? (Round to the nearest thousandths place)

Frank has $66.50 in his account on sunday. over the next week, he makes the following changes to his balance via deposits and purchases: day debit ($) credit ($) monday 60.33 80.75 tuesday 54.45 wednesday 49.20 15.00 thursday 35.40 friday 16.85 75.00 saturday 80.56 on what day does frank first get charged an overdraft fee? a. wednesday b. thursday c. friday d. saturday select the best answer from the choices provided a b c d

Find the greatest common factor of -30x 4 yz 3 and 75x 4 z 2.

Can someone me with this problem i don't understand i need