If x/y
is rational, must x and y each be rational?
a) yes; because the quotient of rationals is rational.
b) no; because x and y could have a common irrational factor.
c) no; because the quotient of irrationals is always irrational.
d) yes; because x and y must be integers, and integers are rational.

Choosing a booth location: your manager is sending two people to work at the conference. she wants a booth that will give your company good visibility for no more than 35% of the total budget ($3000). the conference coordinator just told you there are only five booths left. which booth will you choose? write the inequality that shows how much money you can spend on the booth simplify the inequality that shows how much money you can spend on the booth.

Evaluate the following expression 1/3^2

At $1.32 million, they closed last month percent above what they paid in 2007." how much did they pay in 2007?