Swap the shortest and longest pencil's places. You don't have to move the middle pencil.
3 * 10 is 30 because 10 you would just add a zero behind the three
Answer:
Step-by-step explanation:
There is no algebraic way to solve such an equation. It can be simplified to ...

This has solutions at x=1 and x=2 as shown in the attached graph.
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The second attachment shows the functions graphed on the same graph.
Answer:
Step-by-step explanation: Sub -3 into where all the u’s are. So it would be
(-3)^2 - 2(-3) + 4
Which would equal 19
Answer:
k = 7
m = 8
Step-by-step explanation:
The diagonals of a parallelogram bisect each other, so the two halves of each diagonal are the same length. That means ...
m = 8
and
k +4 = 11
k = 7 . . . . . subtract 4 from both sides of the equation