Answer:
see below!!
Step-by-step explanation:
x + 3y = 5,
y = –x + 3
Substitute the point into each equation and verify that it is true
x + 3y = 5, 2 +3(1) = 5 5 = 5 true
y = -x +3 1 = -2+3 1=1 true
(2,1) is a solution
Answer:
120 is the right answer . mark as brainliest
Answer:
z = 6
Step-by-step explanation:

1) 6yds 2)2000mL 3)10.46km 4)10560ft 8)6300 meters