if
for all x, then e is the Multiplicative Identity.
is this enough for you to get the answer?
Answer:
1/2
Step-by-step explanation:
Multiply 7 and the 2 and the 8,
Answer:
Since x + y + z = 180° and z = 90°, y + z = 90°
Thus x + y = z
Step-by-step explanation: