Answer:
those are pretty good! all a's and b's are good! Keep up the good work!!
Step-by-step explanation:
Answer:
The perimeter is 99
Step-by-step explanation:
you do 11x9=99
Step-by-step explanation:

Answer:
x = 2, y = 1
Step-by-step explanation:
x + 4y = 6 and y = 3 - x have to be rearranged: x + 4y = 6 and x + y = 3
You subtract the equations to eliminate one of the variables (x) so that the other can be found