X = -4y+3
-x-4y = -3
________________
x+4y = 3
-x-4y = -3
0 = 0
Possible and determined system (single solution)
Answer:
14
Step-by-step explanation:
Even though the triangle is "upside down"
a = (1/2)bh
b is QB = 4
h is QA = 7
a = (1/2) * 4 * 7
a = 14
It is. 7.17285714285714 you can stop at the thousands
Answer:
Option C
Step-by-step explanation:

Answer:
2.
x=3 y=3
Step-by-step explanation:
3-3=0
3+3=6
If 3x-3y equals 0, then what's x+y. It concluded to 6