Select all the expressions that could represent the volume of a box, which is a fourth degree polynomial in variables x and y.
A. 3x2y2 + 6x2 – 7xy – 14x
B. 10xy + 12x + 2xy2 – y2 – 5y – 6
C. –6 + 7xy + 9x2 + 2x3y
D. 2x3y + 5x2y – xy – 6y
E. 3x4y4 – 3x2y + 17xy2 – 10y

Which is the correct excel formula for the 80th percentile of a distribution that is n(475, 33)? =norm.dist(80,475,33,1) =norm.inv(0.80,475,33) =norm.s.inv((80-475)/33)?

Find the height of a square pyramid that has the volume of 32 ft.³ and a base lengthof 4 feet

Sam makes his sales calls according to a pattern. he travels either north or south depending on the calendar. some of his past trips were as follows: on february 17, april 24, june 10, september 19, and november 3 he drove north. on february 28, may 25, august 22, november 20, and december 18, he drove south. describe sams' pattern. in which direction will sam drive on oct4 and oct 24?