Answer:
A line a and line b
Step-by-step explanation:
Lines b and c are parallel (no intersection points), so the system will have no solutions.
Lines b and d are parallel (no intersection points), so the system will have no solutions.
Lines c and d coincide (infinitely many intersection points), so the system will have infinitely many solutions.
Lines a and b will intersect after extension, so the system of these two equations will have only one solution.
Answer:
132 cm^2
Step-by-step explanation:
7x4 is 28 for the top rectangle.
Bottom left triangle is bh/2 which here is 8x6/2 which is 24.
The same goes for the bottom right triangle.
Lastly the middle triangle is 7*8 which is 56.
Hence, 56+28+24+24=132!
Hope it helped!
Answer:6 +10b
Step-by-step explanation:
Like terms 9-1-2 =6 and 3b + 7b = 10b
Step-by-step explanation:
X

Answer:
a ║ c
b ║ f
Step-by-step explanation:
when parallel lines are cut by a transversal line, the supplementary angles are angles whose angle measure adds up to 180°
so answers are:
a ║ c
b ║ f