Use Substitution to prove the expressions are equivalent. Expression 1: 4x + (-1) + (- 4) - x
Expression 2: - * - 5

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

Apositive number a or the same number a increased by 50% and then decreased by 50% of the result?

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