Noel had his birthday party at the movies. It cost $30 for pizza and $6 per friend for the movie tickets. How
many friends did Gabriel have at his party if he spent
$78?

Asalesperson earns $320 per week plus 8% of her weekly sales. the expression representing her earnings is 320 + 0.08x. which of the following describes the sales necessary for the salesperson to earn at least $1000 in the one week?

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.

Express in the simplest form: (x^2+9x+14/x^2-49) / (3x+6/x^2+x-56)