Answer:
18,2
Step-by-step explanation:
you have 18 - (6*2) which is 12 equals 6
97.8
add together 97.3 +0.5
(-3, infinity)
Range the y values, meaning up and down. The highest point is neverending therefore, infinity. The lowest point is -3.
I'm pretty sure this is correct.
Answer: 9
