Algebra 2 Grade 11 Can anyone please help me answer this math question?

What two lines are parallel?

Group of answer choices
y = 3x + 2; y = -3x + 1

y = 4x + 5; y = 7x + 5

y = 3x - 6; y - 3x + 7

y = (3/5)x + 6; y = (-5/3) x + 1

15/16 as a decimal rounded to the nearest hundredth

Which radical expression is a rational number? a. √ 360 b. √ 644 c. √ 225 d. √ 122

In a small section of a stadium there are 40 spectators watching a game between the cook islands and fiji. they all support at least one of the two teams. 25 spectators support the cook islands and 16 of these support both teams. how many support only fiji?