The sears tower in chicago is 1,454 feet tall. let the height of the antenna on the tower be represented by the variable a. the total height of the building plus the antenna is 1,707 feet. which equation represents this problem?

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Given the system of equations presented here: 2x + 4y = 14 4x + y = 20 which of the following actions creates an equivalent system such that, when combined with the other equation, one of the variables is eliminated? multiply the second equation by â’4 to get â’16x â’ 4y = â’80 multiply the second equation by â’1 to get â’4x â’ y = â’20 multiply the first equation by 2 to get 4x + 8y = 28 multiply the first equation by â’1 to get â’2x â’ 4y = â’14

Over the course of a month, a person's weight decreases. what type of relationship is this? a. positive relationship