Acoordinate is a number.
a) it could not be rewritten as a true biconditional statement.
b) it uses terminology that is not precise or accurate.
c) it is a good definition.
d) it is not written in terms that have been previously defined or are clearly understood.

The  answer is A

Step-by-step explanation:

A coordinate is a set of value that show an exact position. On graphs it is a pair of numbers: the first number shows the distance along, x-axis, and the second number shows the distance up or down, y-axis. Example (x,y)=(2,3).

It is  not bi conditional.

triangle and cube

step-by-step explanation:

see below

step-by-step explanation:

x+2> 6

subtract 2 from each side

x+2-2 > 6-2

x > 4

there is an open circle at 4 since is it is greater than and the line goes to the right