I believe they are called opposites.
Answer:
a=-6
Step-by-step explanation:
2(3-a)=18
3-a=18/2
3-a=9
a=3-9
a=-6
U have a solid line...means there is an equal sign in the problem...so that eliminates 2 of them right away...so A and D are incorrect
it is shaded below the line....this means it is less then...that eliminates option C leaving u with only one answer choice
so ur answer is : B. y is less then or equal to x
The best statement that describes the associations between variable X and variable Y is the first option, "no association."