Answer:

Step-by-step explanation:
we know that
The "power rule" tells us that to raise a power to a power, just multiply the exponents
so

we have

Applying the "power rule"

The angle to the left of angle 1 is 70, so angle 1 is equal to 180 - 70 - 70 which is 40,
D a rectangle because it has four sides easy for abcd
X=-4-y there you go enjoy