The McMillians noticed that the amount of natural gas they use at their house each month is related to the average monthly temperature, as shown in this scatter plot. The slope of the line best fit -2.5 therms per degree. Which explains how the slope can be interpreted? (PLEASE HELP ME, i don’t understand it!)

Apolygon is shown on the graph: a polygon is shown on the coordinate plane. vertices are located at 3 comma 5, 1 comma 3, 1 comma 1, 2 comma 0, 4 comma 0, 5 comma 1, and 5 comma 3. what effect will a translation 3 units down and 2 units left have on the polygon? be sure to address how it could impact the angles, side lengths, and congruency between the original pre-image and the image. xd i need