A square plywood platform has a perimeter which is 11 times the length of a side, decreased by 42. Find the length of a side. (P = 4L

Solve - pv + 40 < 65 for v solve 7w - 3r = 15 for r

During your cycling trip, you and your friends often stayed in hostels. the prices of these are listed below. hostel standard room (price per night) with breakfast (price per night) super sleep hostels £22.45 £28.65 normandy nights £18.55 £25 zzzola hostels £24.50 £30.99 belgian beds £11.20 £18.55 night-time rest days ? £33 what is the range in cost for a single night, including both standard room prices and with breakfast prices?

Complete the equation of the line through (−10,3) and (−8,−8). use exact numbers.