Answer:
D
Step-by-step explanation:
Substitute the value of x in each function and check if it's equal to it's corresponding value of y.
Correct me if I'm wrong. I hope it helps.
Answer:
4
Step-by-step explanation:
Substitute: 
Cross out the common factor: 
Calculate the product or quotient: 
Calculate the product or quotient: 
Calculate the sum or difference: 
Cross out the common factor: 
Answer: 
The answer is B because the teacher is keeping count of the seeds that EACH student plants
It's been such a long time, but I think (1) should be the addition property since your adding 5 to both sides.
And (2) should be the multiplication property due to multiplying both sides by 2.