Answer:
Yep! an open dot is <
A closed dot means ≤
Hope this helps! :)
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Answer:
x+7
Step-by-step explanation:
Remove Parentheses
Collect like terms
Calculate
The perimeter is 28 and the area is 24
Answer:
2...............................................
Answer:
36 minutes
Step-by-step explanation:
The key is to get the same amount of time for each.
9 * 12 = 108
At 12 minutes per job,
in 108 minutes Alyssa could do
108/12 = 9 jobs
At 9 minutes per job,
Together in 108 minutes they could do
108/9 = 12 jobs
--------------------------
In 108 minutes Mirada does
12 - 9 = 3 jobs
108/3 = 36 minutes per job
