Your parents decide that they will help you out for the first two months after graduating from college by helping you buy groceries for your meals, but they won’t cover the cost of you going out to eat at restaurants or fast food. For the first month you submit your receipts, 13 receipts for fast food and four receipts for Krogers, and they totaled $487. The second month you submit receipts for six fast food meals and two purchases from Krogers, and totaled $232. The receipts do not list the per-item price. What were the average costs of one fast food meal and of one trip to Krogers? Show your work and explain your answer.

Acable company wants to provide cell phone service for residents on an island. the function for the cost of laying the cable from the island to the mainland is c(x)= 6.500 square root x2+4, where x represents the length of the cable in feet. what are the domain and range of the function? a) domain: all real numbers range: all real numbers greater than or equal to 17,000 b) domain: all real numbers greater than or equal to 0 range: all real numbers greater than or equal to 17,000 c) domain: all real numbers greater than or equal to 0 range: all real numbers greater than or equal to 13,000 d) domain: all real numbers greater than or equal to 13,000 range: all real numbers greater than or equal to 0

What is the volume of this square pyramid?

In the xy-plane, if the parabola with equation passes through the point (-1, -1), which of the following must be true?