Solve each system of equations.

a. x+y=-4
y= - x+5

b. y= - 2x+5
2x+y=5

The temperature of chicken soup is 192.7°f. as it cools, the temperature of the soup decreases 2.3°f per minute. what is the temperature in degrees fahrenheit of the soup after 25 minutes? a. 27.3°f b. 57.5°f c. 135.2°f d. 250.2°f

In triangles abc and wxy, a=w and b=x which of the following must be true to prove abc=wxy by the aas theorem? a. ab=bc b. bc=xy c. ab=wx d.

For the following geometric sequence, find the recursive formula. {-80, 20, -5, } i need : ')