Andy and elizabeth each rounded 2,639,456 to the nearest ten-thousand. andy got 2,640,000. elizabeth got 2,630,000. who is correct? explain the error that was made.

Flvs question 3 exam: 04.10 segment one exam part two what is the measure of angle x? picture is shown

How many revolutions will a car wheel of diameter 28 in. make over a period of half an hour if the car is traveling at 60 mi/hr? the final answer is supposedly 21,609 but i have no idea how to get that, show work : )

What is 5/12 written as a product of a whole number and a unit fraction