Which of the following systems of equations has a solution in which the x-value is greater than the y-value?

Me what is the value of x? showing work would be appreciated - ! : )

Peter applied to an accounting firm and a consulting firm. he knows that 30% of similarly qualified applicants receive job offers from the accounting firm, while only 20% of similarly qualified applicants receive job offers from the consulting firm. assume that receiving an offer from one firm is independent of receiving an offer from the other. what is the probability that both firms offer peter a job?

Rewrite the following quadratic functions in intercept or factored form. show your work. y = 5x^2 + 10x