Molly bought 12.5 yards to make dog beds. she uses 2.5 yards of fabric for each dog bed. she sells each dog bed for 17.50. after subtracting the fabric how much money does molly earn if she sells all of the dog beds

The doghouse shown has a floor, but no windows. find the total surface area of the doghouse, including the door.

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 are the solutions of the system? solve by graphing. y = -x^2 -6x - 7 y = 2