Answer:
None
Step-by-step explanation:
In order for lines to be parallel, their slope (m) must be equal.
See that denominator cannot be zero, so,
x-3 ≠ 0
x ≠ 3
Domain:
S={x∈R/x≠3}
Hi there.
If you want to find out the total, just multiply the rate per hour ($32.50) by the time (15 hours)
32.5 · 15 = $487.50
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1.6 not sure if it’s correct but I hope I helped