What does it mean to talk about the'surface area' of a box?​

Consider the polynomials given below. p(x) = x4 + 3x3 + 2x2 – x + 2 q(x) = (x3 + 2x2 + 3)(x2 – 2) determine the operation that results in the simplified expression below. 35 + x4 – 573 - 3x2 + x - 8 a. p+q b. pq c. q-p d. p-q

(25 ! ) what does it mean for an equation to have no solution or infinitely many solutions?

Lm is the midsegment of trapezoid abcd. if ab=46 and dc=125, what is lm?