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

Show me how you find x and determine what x is you i appreciate it : )

What is the fewest number of full weeks briyana would have to work to have enough money? 8 weeks9 weeks 10 weeks11 weeks

1. 2. ∠b and ∠y are right angles. 3.? 4.? which two statements are missing in steps 3 and 4? ∠x ≅ ∠c △abc ~ △zyx by the sas similarity theorem. ∠b ≅ ∠y △abc ~ △zyx by the sas similarity theorem. = 2 △abc ~ △zyx by the sss similarity theorem. = 2 △abc ~ △zyx by the sss similarity theorem.