Dans un repère orthonormé, on donne A (3 ;-4) et B(-5;2).
1. Conjecturer les coordonnées de deux points
et D tels que ABCD soit un carré.
2. Démontrer ou invalider la conjecture.

On new year's day, the average temperature of a city is 5.7 degrees celsius. but for new year's day 2012, the temperature was 9.8 degrees below the average. i) if a represents the average temperature on new year's day and 7 represents the temperature on new year's day 2012, what formula accurately relates the two values together? ii) what was the temperature on new year's day 2012? dt a 0.8 ii) - 4 1 degrees celsius da-t-98 ii) 59 degrees celsius 1) 7 = -9,8 11) 59 degrees celsius ii) l degrees celsius

Solve for x and y: 217x + 131y = 913; 131x + 217y = 827

The perimeter of a rectangular rug is 24 feet. the length of the rug is 1 2/5 i s width. what is the area of the rug