He buyed 240 cards because
20
x
12
-----
40
+
20
-------
240
Answer:
D. (3, -2)
Step-by-step explanation:
The point where both lines meet is the solution to the system of equations.
Answer:
you can try adding the adding angles up to 180
or if its graphed you can count the units
Step-by-step explanation:
and know that all four sides are congruent and diagonals are perpendicular
i tried :)