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If a flying disk is 139 meters in the air and travels at an average of 13 m/s how long is it in the air

Which ordered pair is a solution of the equation? 2x+3y=10

An object is accelerating at a constant rate. its velocity in feet per second as a function of time in seconds can be modeled by the linear function v(t) = 2.5t. what does the dependent variable represent for this function? a) acceleration b) distance c) slope d) velocity