Surveys, observational studies, and experiments are examples of

Which shows the correct lengths of side c in both scales? scale 1: 45 m; scale 2: 60 m scale 1: 60 m; scale 2: 45 m scale 1: 36 m; scale 2: 27 m scale 1: 27 m; scale 2: 36 m mark this and return save and exit

At $1.32 million, they closed last month percent above what they paid in 2007." how much did they pay in 2007?

Which steps could be part of the process in algebraically solving the system of equations, y+5x=x^2+10 and y=4x-10