Answer:
Are u supposed to order them if so it's prob 1,3 then 2,3 then 3,3 then 4,3 then 5,3 or something but feel free to tell me if I'm wrong
Answer:
x=20
Step-by-step explanation:

It’s option D.) I did a quiz on this !
Answer:
1st solution is -2x+12
2nd solution is 5x+31
3rd one doesnt have a solution
Step-by-step explanation:
Answer:
y = 25
Step-by-step explanation:
Given that the quantities are proportional then the equation relating them is
y = kx ← k is the constant of proportion
To find k use the condition y = 10 when x = 6
k =
=
= 
y =
x ← equation of proportion
When x = 15, then
y =
× 15 = 5 × 5 = 25