3x + y = -3
-2x + y = 7
Use elimination method
Subtract both equations
5x = -10, x = -2
Plug in -2 for x (any equation)
3(-2) + y = -3
-6 + y = -3
y = 3
Solution: x = -2, y = 3
Or as a coordinate: (-2, 3)
x^2 + 4x + 3 + 1 = (x + 2)^2
So 1 need to be added.
Answer:
32.9175
Step-by-step explanation:
i gogled it
Answer:
mean-175.5
median-18
mode-18
range-11
Step-by-step explanation:
