Let p = x2 + 6.
Which equation is equivalent to (22 + 6)2 – 21 = 4x2 + 24 in terms of p?

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?

1) prove that 731^3−631^3 is divisible by 100 2) prove that 99^3−74^3 is divisible by 25

The equation of a parabola is given. y=18x2+4x+20 what are the coordinates of the focus of the parabola?