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estimation. an apartment building is planning on replacing refrigerators in 50 of its units. if the refrigerators cost $ 771 each, estimate the total cost by rounding both numbers to the nearest 10.

The interior angles formed by the side of a hexagon have measures of them up to 720° what is the measure of angle a

Aprofessional hockey team has noticed that, over the past several seasons, as the number of wins increases, the total number of hot dogs sold at the concession stands increases. the hockey team concludes that winning makes people crave hot dogs. what is wrong with the hockey team's conclusion? a) it does not take into account the attendance during each season. b) it does not take into account the number of hamburgers sold during each season. c) it does not take into account the number of concession stands in the hockey arena. d) it does not take into account the number of seasons the hockey team has been in existence.

Will mark brainlist what is the slope of the line passing through the points (-2, -8) and (-3,-9)? -7/5-5/71-1