Answer:
4
Step-by-step explanation:
Assign x for the number. Write an equation.
2x = 6+.5x (I'm guessing you means "6 more than half that number")
1.5x = 6 -->
x = 4
The answer is A. A, D the reason being, is because polygons have sides C, and B have no sides so we can eliminate those immediately.
Answer:39
Step-by-step explanation:
90-51=39
Answer:
12
Step-by-step explanation: