Name each polynomial by degree and number of terms. -5a + 5a^2 + 2 - 3a^4
1)quartic trinomial
2)cubic polynomial with four terms
3)quartic polynomial with four terms
4)linear polynomial with four terms

Maybe the answer is 20mm. all i really did was just multiply, which is obvious.

If you need an equation, it would be y=2x+8, y would be how long it grew, x being weeks.if you need how long he was asleep, it would be 4 weeks if he started with no beard, the equation would be x=8÷2if he did have a beard before hand, the equation would be 2w+x=8