14. (n-5)*4+7
15. No, this would not be neccesary because if I were to distribute 1/2 to both 4 and 6, I know that I would get half of those numbers which would give me 2x+3. I also know that if I distribute 1/3 to both 9 and 24, I would get 1/3 of each number which would be 3 and 8.
For this case we have that by definition:

Indicates an example of the associative property of multiplication.

Similarly, we observe the associative property of multiplication
Answer:
associative property of multiplication
He would pay 38.75 on the 50 pound package. Hope it helps!
Answer:
96 grams
Step-by-step explanation:
Each box has 5 strips with 12 capsules
5*12=60 each capsules contains 500 mg of medicine
60*500=3000mg of medicine per box
32*3000=96000mg total weight of the medicine or 96 grams
Answer:
D
Step-by-step explanation:
5 + n is the sum of 5 and a number
amd then "less than or equal to -7" represents the no more than -7