Which of the following points is a solution of the system shown below y=x+7
y=11-x
(1) (5, 12)
(2) (2, 9)
(3) (1, 10)
(4) (-4, 7)

What is the average rate of change for this function for the interval from x=2 to x=4 ?

Campus rentals rents 2 and 3 bedrooms apartments for $700 ans $900 a month respectively. last month they had six vacant apartments and reported $4600 in lost rent. how many of each type of apartment were vacant?

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