On the coordinate plane shown, each grid unit represents 10 feet. Polygon QRST has vertices Q(10, 10), R(−10, 10), S(−10, −20), and T(10, −20), and represents the floor plan of a room. Find the perimeter and area of the room.

7

step-by-step explanation:

i'm assuming you need to figure out how many campers go into each tent.

i got the answer by:

24+4=28

28/4=7  

answer: $201

step-by-step explanation: to get the answer, you first get 3 nieces that he sold and multiply it by 67 and get $201, so he earned $201 selling his nieces.

i suppose it should be (y=2x-5)

step-by-step explanation: