A school is sponsoring a fundraiser by selling athletic calendars. The total cost of printing the calendar is $440 plus an additional charge of $2.75 per calendar. How many calendars must be sold to keep the cost of printing under $5 per calendar?

Suppose that one doll house uses the 1 inch scale, meaning that 1 inch on the doll house corresponds to 1/2 foot for life-sized objects. if the doll house is 108 inches wide, what is the width of the full-sized house that it's modeled after? in inches and feet.

If on=8x-8,lm=7x+4,nm=x-5,and ol=3y-6

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