Write equations for the horizontal and vertical lines passing through the point (-1,-9). can someone explain this

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On new year's day, the average temperature of a city is 5.7 degrees celsius. but for new year's day 2012, the temperature was 9.8 degrees below the average. i) if a represents the average temperature on new year's day and 7 represents the temperature on new year's day 2012, what formula accurately relates the two values together? ii) what was the temperature on new year's day 2012? dt a 0.8 ii) - 4 1 degrees celsius da-t-98 ii) 59 degrees celsius 1) 7 = -9,8 11) 59 degrees celsius ii) l degrees celsius

Find and simplify an expression for the area of five rows of x squares with side lengths of x centimeters.

Acomputer store bought a program at a cost of $10 and sold it for $13. find the percent markup