Answer:
5%
Step-by-step explanation:
Lets say 10 add a 0 = 100 9.5 add a 0 = 95.0 (move ok decimal place) so there is a 5% error.
Answer:
A
Step-by-step explanation:
You are right

You are taking two times a number, which is defined as x. That is equivalent to 2x. Then, you are adding three more to that product.
Answer:
43
Step-by-step explanation:
Vertically opposite angles.
Here,
b=43 (being vertically opposite angles )
Answer:
You get two, (0,-3) and (1,0)