Answer:
x+4y is not change because it's parallel what changes is the result 8 + 4 × 2 = 16 so the equation is x + 4y = 16
The one who walked 1.2 miles would have made $72 and the one who walked 0.8 miles would have made $48.
There are two solutions to this question, one is positive and the other is negative:
Answer:

Step-by-step explanation:
∠ABD is the sum of the angles ∠ABC and ∠CBD. In other words:

Substitute in known values:

And subtract. Hence:

In conclusion, ∠ABC measures 34°.