404 is the answer. if you add them all together
Step-by-step explanation:

Answer:
No
Step-by-step explanation:
No because (1,2) falls on the line, and the line is a dotted line, which means that any point on the line is not a solution to the inequality.
Answer:
20
Step-by-step explanation:
x+2x+x+10=90
4x=80
x=20
give brainliest please