Of these, which would be an unenforceable deed restriction? A. All lots in a subdivision must be at least 1/2 acre. B. Homeowners can place no more than 1 political sign in the yard. C. no fences in a subdivision can exceed 6 feet. D. property cannot be sold to a woman.

Until recently, hamburgers at the city sports arena cost $4.70 each. the food concessionaire sold an average of 13 comma 000 hamburgers on game night. when the price was raised to $5.40, hamburger sales dropped off to an average of 6 comma 000 per night. (a) assuming a linear demand curve, find the price of a hamburger that will maximize the nightly hamburger revenue. (b) if the concessionaire had fixed costs of $1 comma 500 per night and the variable cost is $0.60 per hamburger, find the price of a hamburger that will maximize the nightly hamburger profit.