Given: ab || dc and m 22 = m 24
prove: ad || bc
statements
1. ab dc
2. m 22= m 24
3. < 1 and 24 are supplements
3.
reasons
given
given
same side interior angles thm.
def, of supplementary angles
substitution
def. of supplementary angles
converse same side interior angles thm
4.
5. m1-mz2 = 180°
6. _1 and 22 are supplements
7. ad bc

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step-by-step explanation:

answer: hence, function will be

explanation:

since we have given that

cost of a new textbook = $85

according to question, the resale value of a textbook decreases by 25% with each previous owner,

so, our function becomes,

here, y is the total value of the text book after x owners.

hence, function will be