Madelyn will have to attend 7 weeks of school to obtain a total of 34 quizzes, 1 per week.
3 - (2 - 8)
3 - (-6)
Your answer is 9!
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-- these are called same side interior angles, which are supplementary.
to solve for x:
3x + 37 + 2x - 7 = 180
5x + 30 = 180
5x = 150
x = 30
3 meters 100cm is 1 meter therefore 300 is 3