Lisa says that 43 is a 2-digit odd number that is composite. is she correct? explain.

If 3x+8=3x+8 is it one solution or no solution

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?

Solve for x and y: 217x + 131y = 913; 131x + 217y = 827