PLEASE HELP ASAP!!!!!!!!!!!!!!!

1.) classify -6x^5+4x^3+3x^2+3x^2+11 by degree
A. quintic
B. cubic
c. quartic
D. quadratic

2. write -2z^2(-5x^2+4x^3) in standard form
A. -8x^5-20x^4
B. -8x^5+10x^4
C. -7x+2x^4
D. -7x^5-10x^4

3. A perfume is packed in a bottle shaped link the one below . The polynomial expression that represents the volume of the bottle is 4/3pier^2h. interpret the variable h of the polynomial expression in the context of the scenario.

A. the variable h represents the height of the cone portion of the bottle
B. the variable h represents the height of entire bottle
C. the variable h represents the height of the cylindrical portion of the bottle
D. none of these