State the degree of the polynomial.
-4x^4
A. 1
B. 3
C. 4
D. 2

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?

Anyone know? will mark brainliest if correct

Hardest math question of all time can you solve the equation. check for extraneous solutions.9∣9-8x∣ = 2x+3