7 because I know and it’s right
Answer:
y=17
Step-by-step explanation:
4x+2y=70
x+y=26
2x+2y=52
2x=18
x=9
y=26-9
y=17
Answer:
24
Step-by-step explanation:
you find area of a triangle with equation:

base: 6
height: 8


area equals: 24
for the second photo
vertex would be at (1,-8)
this is because each vertex is in a different quadrant so you would need a negative y axis to form the rectangle
Answer:

Step-by-step explanation:
Please see attached picture for full solution.
Answer:
2
Step-by-step explanation: