Answer:
16. No
18. Yes
20. Yes
Step-by-step explanation:
Because there is a right angle at at least one corner of the triangle.
Answer:
yess because x does not repeat for different y values
Step-by-step explanation:
brainiest plz
This should be the correct solution
x + 4 = -8
x + 4 + (-4) = -8 + (-4)
x + 0 = -12
x = -12
<span>C. The student added improperly and got the wrong answer in step 3.
</span>
The student failed to consider the negative signs of 8 and 4.