Answer:
Step-by-step explanation:
First system: no solution, since the two lines are parallel; they never cross.
Second system: one solution
Third system: infinitely many solutions, since the second equation is a multiple of the first
Answer:
the denominator would be 1
Step-by-step explanation:
because 5 and 5/1 are equivalent
Answer:
3x-4y=16
Step-by-step explanation:
Answer:
$0.03
Step-by-step explanation:
2.31/11 =.21
2.70/15 =.18
.21-.18 = .03