Answer:
a. alphabet line
Explanation:
Technical drawings are the drawings that help in communicating the designs. These designs are the designs that provide the instruction for the manufacturing of any object. The designs are made with the help of lines and line symbols. Line symbols are termed to be alphabet of lines. They help the designers to draw the designs with accuracy. Various lines are drawn that differ in terms of thickness and darkness. These variations helps the designers to mark the design accurately.
I mean we can't answer that because you didn't put the (following)
From the information provided, A single-price monopolist earns a total profit of $80 when it produces and sells 20 units of its good. See the attached for more information.
<h3>How do we arrive at $80?</h3>
Total profit = revenue - cost
Revenue = price x number of units sold
Revenue at 20 units =
20 x9 = $180
Given that Total cost at 20 units is $100, thus,
Total Profit = 180 - 100
= $80.
Learn more about profit at;
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It is a safety procedure in industries that lock dangerous machines and ensure that there is no operation until maintenance or repairs have been made.
We need a bit more context lol