Which set of expressions are not equivalent? (9 c + 12) - c - 3 and 8 c + 9 4 c - 2 c - 3 and 2 c - 3 5 c - 2 c + 8 - 4 and 3 c + 4 0.5 + (10 c + 8) and 5 c - 4

Brian, chris, and damien took a math test that had 20 questions. the number of questions brian got right is 14 more than the number of questions chris got right. damien correctly answered 2 less than the number of questions chris answered correctly. if brian and damien have the same score, which statement is true?

Consider the function represented by the equation 1/2 j + 1/4 k equals 3 which shows the equation written in function notation with j as the independent variable

Піf x = y and y= z, which statement must be true? оа. -x = -2 b. x= z ос. —x = 2 od. 2= x