If jenn has 13 fewer marbles than marty and we know she has 20 marbles, you would add 13 to 20 (33) to find how many marbles marty has. the equation would be 13+20=33 (or any variable depending on the context of the question.)
200.
Twenty groups of ten = 20x10
20x10 = 200
Answer:
100 of the baloon will fill up the tank
Step-by-step explanation:
use volume of sphere formula ;
(pi/6) x diameter cubed
write your answer to 1 decimal place
then divide the volume of tank bye the volume of the baloon
you'll get 100, if you rounded up your answer to 1 decimal place
Answer:

Step-by-step explanation:

Expanding brackets.

Adding 2m and 6 to both sides.

Combining like terms.

Dividing both sides by 14.

Well, function is already written in "function notation" though not explicitly which I assume is "function notation".
Explicit notation for this function is:

Hope this helps.