She will sell 18 cups on Friday
The pattern is adding 4
4, 8, 12, 16, 18...
Hope this helps
12)
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13)
R and 81 are common factors so add them together and you get 9r;then your equation is 9r+11=29.After that you subtract 11 from 29 and then the equation is 9r=18.Then you divide 9 from 18 so you get r=2.
Answer:
X > -11/10
Step-by-step explanation: