Enter an expression equivalent to (3x^2+2y^2-3x)-(2x^2+y^2-2x)
using the fewest number of possible terms

Agreeting card company can produce a box of cards for $7.50. if the initial investment by the company was $50,000, how many boxes of cards must be produced before the average cost per box falls to $10.50?

1yd 1 ft = 1 1/12 1 1/3 1 1/2 1 1/6

Atriangular field has sides of lengths 21, 39, and 41 yd. find the largest angle. (round your answer to the nearest degree.)