Answer:
She will do 61 sit ups.
Step-by-step explanation:
The number of situps are increasing by 4 each day.
So at this rate...
Day 6: 37
Day 7: 41
Day 8: 45
Day 9: 49
Day 10: 53
Day 11: 57
Day 12: 61
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Answer: -7x + 5
2(4x + 1) - 3(5x - 1)
8x + 2 - 3(5x-1) 8x + 2 - 15x + 3 8x + 5 - 15x-7x + 5 Hope it helped ! Adriel
2x^2-18x
