The freezing point of nitrogen is about −210∘c-210∘
c. the freezing point of mercury is about 171∘c171∘c higher. what is the approximate freezing point of mercury?

Moira has a canvas that is 8 inches by 10 inches. she wants to paint a line diagonally from the top left corner to the bottom right corner. approximately how long will the diagonal line be?

Candy lives in the center of town. her friend darlene lives 28 miles to the east and her friend dana lives 21 miles north. approximately how far do dana and darline live apart ?

The graph shows the amount of money noah earned based on the number of lawns he cut. which list shows the dependent quantities in the graph?