Explanation:
In 2 hours (x) Frank earned $31(y)
In 4 hours (x) Frank earned $62(y)
2x = 31y
31 / 2 = 15.5
4x = 15.5 x 4 = 62y
Answer:
The correct answer would be 9! hope this helped you
Answer:
Parallel lines
Step-by-step explanation:
x - y = 1 y - x = 1
- y = -x + 1 y = x + 1 ⇒ m₂ = 1, b₂ = 1
÷(-1) ÷(-1)
y = x - 1 ⇒ m₁ = 1, b₁ = -1
m₁ = m₂ and b₁ ≠ b₂ means that the lines described by these equations are parallel
