In the expression u+4/u+1 + 3u+2/u+2 what are the excluded values for u?

Which value is not a solution of 8x^3 – 1 = 0

Read the situations in the table below. then drag a graph and equation to represent each situation. indicate whether each of the relationships is proportional or non-proportional. edit : i got the right answer its attached

If the cost to mail a package is an initial $5 and $0.28 for every pound the total cost to mail a package was $11.27, how much did the package weigh?