4(a−b)+6b (−3)∙(2a+b)−4(b−a) (−2)∙(2a−b)+3(a+b) (−5)∙(3b−2a)−6(a+2b) can u simplify these each line is a new problem

What is the least common factor of 6 and 8

An apartment has a replacement cost of $950,000 and contents valued at $1,450,000. it has a classification of a and a territory rating of 3. find the annual premium a) $10,185 b) $9,230 c) $3,155 d) $13,830

Which graph represents the function g(x) = |x + 4| + 2?