I think it would be the second question!
Answer : I’ll say it’s B.
If it’s wrong sorry. I tried.
Answer Is Option a)4.5 sq.units
Given vertices are X(2,1),Y(5,4) and Z(5,1)
Answer is given above in the image
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Answer:
your y intercept is 90 and the equation would be y= 90 and x is unknown