Choose the property of real number that justifies the equation. I’m being timed. Answer all of the equations please! Whoever is correct gets brainliest!

Which two fractions are equivalent to 24/84? 6/42 and 2/7 6/21 and 2/6 12/42 and 3/7 12/42 and 2/7

An of a of 60. a of 36 is . isbe ?to .

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