All of the following expressions are equal except .
1/4^3
4^2/4^5
4^4/4^2
4^-3

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

The power generated by an electrical circuit (in watts) as a function of its current c (in amperes) is modeled by p(c)= -15c(c-8) what current will produce the maximum power?

Fracisco's game involves 3 green, 2 yellow, 4 red, and 3 black marbles. if he randomly draws three marbles from the bag, without replacement, what is the probability that he will draw yellow, and then red, and then black? a)1/192 b)1/72 c)3/220 d)1/55