Answer:
in my opinion is the last:
this studies uses a control group
Step-by-step explanation:
Answer:
The game system that Jim bought had the sale of $55 off.
Step-by-step explanation:
Jim sale price = $195
Kaylen price = $250

Ans: The measure of exterior angle i.e angle A is -52⁰.
You meant to say that the measure of an angle A is on exterior angle so let me elaborate it you clearly,
