It was used to see how your basic math skills
Answer:
Step-by-step explanation:
3*n*p*6 = 18np
First, simplify the (x+2)(x+2) with FOIL:
f(x)=(

)-3
Combine like terms
f(x)=
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Then you have standard form.
Hope that helps.
Answer:
Step-by-step explanation:
Maria had a test with 20 questions
if 17 are correct,
20 questions................................100%
17 questions................................?%
she was 85% right