Divide the below monomials:

$1000y^5 by 250y^4$

Divide the below monomials:

$6x^{2}yz by 3xy$

Divide the below monomials:

$15p^2{q}^3 by 5p^2{q}^2$

Divide the below monomials:

$16a^3{b}^{2 } by 4a^{2}b$

Divide the below monomials:

$48x^2{y}^{4 } by -12x{y}^4$

Divide the below monomials:

$18m^{2}p by 21mp$

Divide the following:

$6x^3+4x^2-28x by 2x$

Divide the following:

$9m^5+12m^4-6m^2 by 3m^2$

Divide the following:

$-14x^3-8x^2-4x by 2x$