For an archeological dig the rectangular region shown in the dark the rectangular region shown in the diagram is being roped off each unit in the grid represents one meal each unit in the grid represents 1 m find the length of rope needed to enclose the region exactly this did to enclose the region exactly once show your work and round to the nearest 10th of a meter​

Select the margin of error that corresponds to the sample mean that corresponds to each population: a population mean of 25, a standard deviation of 2.5, and margin of error of 5%

What is the product? a-3/15a × 5/a-3

Sketch the vector field vector f( vector r ) = 8vector r in the xy-plane. select all that apply. the length of each vector is 8. the lengths of the vectors decrease as you move away from the origin. all the vectors point away from the origin. all the vectors point in the same direction. all the vectors point towards the origin. the lengths of the vectors increase as you move away from the origin.