For what value of x is the rational expression below undefined
2x+4 / x-7

What value is equivalent to 5 + [5 × (4 + 2)]? a) 35 b) 45 c) 60 d) 110

An episode of a television show is 60 minutes long when it originally airs with commercials. on a dvd without commercials, the episode is only 417 minutes long. how many1-minute commercials did the episode include when it originally aired? write and solve an equation to justify your answer.

Tom had a total of $220 and he spent $35 on a basketball ticket . what percent of his money did he have left?