Can someone answer 5,6,7? can you also tell me how to solve them so i can do better in the future?

Write the function for the graph. (1.8) (0,4)

What is the least common multiple for 6 and 8? what is the least common multiple for 4 and 12 ? what is the least common multiple for 11 and 12? what is the least common multiple for 3 and 6?

Complete the conditional statement. if a + 2 < b + 3, then a < b b < a a – b < 1 a < b + 1