C. Answer in one word:[4M]
1. Something that is difficult to understand.
2. A person who pretends to know about medicines.
3. In a way people find acceptable and good.
4. People who are new and do not have the skill to do something.
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Answer:
Gaira was asked to evaluate the algebraic
expression –3.8x + 6 when x = –7.5.
–3.8(–7.5) + 6(–7.5)
28.5 + (–45)
(–16.5)
What mistake did she make? What is the correct answer?
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