Asked by .-.

This is on Lesson 9 Unit 7 Equations and Inequalties Unit Test
6: -6 - 7(c + 10)

answer: 4 - 13c
7: 3x + 4(x - 6) - 3(x - 7)

no answer
9: d/13 ≤ -3

no answer
14: Mark weighs 74 pounds. Together, he and his sister weigh six pounds more than three times the weight of his sister. What is the weight, w, or Mark's sister?

answer: 35 lb.

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Answered by oobleck
#6: -6 - 7(c + 10)
= -6 -7c -70
= -7c-76
work #7 the same way
#9: d/13 ≤ -3
d ≤ -39
#10:
74+x = 6+3x
68 = 2x
x = 34
Answered by heyo
what are the answers to this whole test?
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