According to the table, if a married couple filing jointly earns $67,400, what will their taxes be to the nearest dollar? A): $10,470
B): $10,590
C): $11,150
D): $11,320

What basic trigonometric identity would you use to verify that sin x cos x tan x =1-cos^(2)x?

Fred has a total of 62 dvd and cd. if the number of cd is three more than two times the number of dvd, how many cd does he have?

1- what do you think the product of a nonzero rational number and an irrational number is? is it rational or irrational? make use of variables, the closure property of integers, and possibly a proof by contradiction to prove your hypothesis.2- why do we have to specify that the rational number must be nonzero when we determine what the product of a nonzero rational number and an irrational number is? if the rational number were 0, would it give us the same result we found in the first question?