Answer:
2n + 7
Step-by-step explanation:
If you were to make a table it would be like this
A. 1. 2. *3*. 4. 5. *6*. 7. 8. *9*. 10. 11. *12*. 13. 14. *15*.
B. 1. 2. 3. 4. *5*. 6. 7. 8. 9. *10*. 11. 12. 13. 14. *15*.
The numbers with stars by them are the month in which the pet store had their discount. So as you can see both stores has a sale in month 15. It took store A 5 sales, and store B 3 sales to have matching sale months
A because there are more blue than red and violet.
X and 71 are complementary angles