Answer:
Here for points
Step-by-step explanation:
The simplified form is 6x-6
Yeah there all right but I have a little hinch for the last and first one
Its 400 because 363 is closer to 400 than 300
102, 112, 120-129, 132, 142, 152, 162, 172, 182, 192, 200-299, 302, 312, 320-329, 332, 342, 352, 362, 372, 382, 392
2+10+7+100+2+10+7
138 integers.