Answer:
<u>-21+7r</u>
Step-by-step explanation:
The Answer "45H=P" because you're gaining 45 dollars per hour so if you work one hour you gain 45 dollars. Hope I helped :)
Answer:
The function f has an inverse because it is one-to-one.
Step-by-step explanation:
The condition for a function to have an inverse is that every x coordinate maps to a single y - coordinate. As illustrated by the diagram attached in the second picture, every x value maps to one y value therefore satisfying the condition making the function have an inverse.
Fine the length BC using the cosine law. Google the law and sub it in