Are lines y2x 1 and y-2x-4 parallel perpendicular or neither?

What is 123456789101112 ( 1110987654321? How much punch for 70 people? What is 10 to the negative one divided by 10 to the 4? What is the simplest form of 78 100ths? How many laps around a football field equal to 2.4k? What is the LCM of 102 and 68? How do I find the board feet in at 40x48 pallet? Which is the better investment 8.5 percent compounded monthly or 9.1 percent compounded annually? Does the word curios come before or after the word curiosity in the dictionary? What island is 22 square miles and had a population of 1 million by 1880? How do you reflect on and evaluate your own work? Was Rahab in Jericho the same Rahab as in Jesus' genealogy? What is the sum sign? Are crime rates descriptive explanatory inferential or exploratory? Why do university students feel bored when they have no school in summer? 16= d-12 over 14? How much is 14.1k? How do you write 1408000 in scientific notation? What does 什麼 mean? How do you write 101101101 in words?