Answer:
D
Step-by-step explanation:
Subtract 60 from 80 to get 20, and divide 20 by 80 to get 1/4, which can be converted to 25%.
Answer:
p < -28
Step-by-step explanation:
This is a simple solve - all we have to do is treat it like a normal equation and solve for p. This involves only one step - subtract 4 from both sides. We now end up with p < -28. And there you are!
Answer:
the mean number of siblings is 8
Step-by-step explanation:
all you have to do is look at the graph.
The triangle inequality requires the third side be in the range
.. 12 -4 ≤ third side ≤ 12 +4
.. 8 ≤ third side ≤ 16 . . . . . . . . . your answer is the number(s) in this range
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Some define the triangle inequality using < rather than ≤. Be careful here.