Is the given sequence arithmetic? if so, identify the common difference.0, -3 -6 -a. yes, -6b. yes, -3c. no d. yes, 3

Which is a graph of a proportional relationship?

Can some one me with these questions

Mr. brettler is hanging up a 5-foot tall rectangular welcome sign in the gym. he has drawn a sketch on a coordinate grid. he has the lower vertices of the sign at (9, –3) and (–6, –3). where would the upper vertices be on the grid?