Answer:

Step-by-step explanation:
8.25h= 206.25, this equation would show that however many hours worked times 8.25 needs to equal 206.25 for marvin to be able to buy the game system he wants. Another equation would be 8.25h is greater than or equal to 206.25 or E. Hope i helped.
The greatest common factor is simply w.
Step-by-step explanation:
you subtract -4 by 7.
then you hav 5x=7
you divide 5x by 5 and seven by five so your x= that answer
then you put that number into the x in the second equtaion
then you subtract that number after multiplying the 6 by the number x equals
then you divide 2y by 2 and 22 by 2 and thats your y value