20. Write an equation in slope-intercept form of the line through (1, 3) and (–3, 7).

Which equation can be used to measure the density of water in a spherical water tank? let w represent the number of water particles within the region.

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In the next 10 month,colin wants to save $900 for his vacation.he plans to save $75 each of the first 8 months. how much must he save each of the last 2 months in order to meet his goal if he saves the same amount each month ?