120 students are in the 7th grade.
The answer is d I just did that paper mark me Brainly
Answer:
Total weekly earning = 11x + 9y
Step-by-step explanation:
(a) 11x + 9y = Total weekly earning
the slope of the line is y = -1/2x -2
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160 minus 147 is 13 13 over 160 multiplied by 100 equals 8.125 percent
