She should ask the teacher if it is correct or not
Answer:
21) x = 0
23) x = 7
Step-by-step explanation:
In a parallelogram, the opposite sides are congruent. Using this fact, we can create equations for both problems.
21)

Subtract 18.

Divide by 2.

23)

Add 3.

Divide by 2.

Answer: It's what you believe. If you don't know what the principles are, they are listed below.
Step-by-step explanation:
1 - An offense must be committed consciously and intentionally.
2 - Must be a public act.
3 - The action must be carried out collectively.
4 - A civil disobedience act must be done using peaceful methods.
5 - Must be carried out while accepting the eventualities of a sanction.
6 - The action carried out must urge to “higher principles” to justify the violation of a norm.
Answer:
angle d would be 63 degrees since angle B and A would form a same side interior angle, which adds to 180 so angle A has to be 117. angle D also forms a same side interior with angle A, so 180-117=63.