Warm Up #2 problems 11 thru 20

Click on picture for  a LARGER VIEW

IF Probability is a new concept for you, then

DOUBLE CLICK on the video below:

(HINTS ARE IN RED)

HINT FOR #11:

Do you need the VOLUME FORMULA?

  --->CLICK HERE--->

HINT FOR #12

CLICK HERE for a Short Video on MEAN-MEDIAN-MODE

HINT FOR #13    CLICK HERE---> 

Two HINTS FOR #14: 
(1) Click--->for the OBVIOUS HINT

STILL STUCK?
If you want a formula for adding counting numbers,
(2) CLICK HERE---> 

HINT FOR #16        CLICK HERE--->

HINT FOR #18 CLICK HERE--->

IF Probability is a new concept for you, then

DOUBLE CLICK on the video below:

HINT FOR #19 
CLICK HERE---> 
More HELP?

Did the Scarecrow really get a brain?
(See the Wizard of Oz clip here!)