Six people are standing in line for concert tickets. their average age is 27. the average age of the four people in line is 23. the average age of the last three people is 34. how old is the fourth person in line?

Suppose the probability of selling a car today is 0.28. find the odds against selling a car today.

Which expression calculates the speed in meters per second of an object that travels a distance of 100 m every 20 seconds

Simonne used the following steps to simplify the given expression. 12 - 3(-2x + 4) step 1: 12 + (–3)·(–2x) + (–3)·(4) step 2: 12 + 6x + (–12) step 3: 12 + (–12) + 6x step 4: 0 + 6x step 5: 6x what property of real numbers was used to transition from step 3 to step 4? a. identity property of addition b. inverse property of addition c. associative property of addition d. commutative property of addition