Dividing Monomials

You contain only positive exponents.r answer should

$$\frac{x^3}{4x^4}$$

Dividing Monomials.

Your answer should contain only positive exponents

$$\frac{25x^5}{5x^3}$$

Your answer should contain only positive exponents

$$\frac{10b}{2b}$$

Your answer should contain only positive exponents

Your answer should contain only positive exponents

Simplify: 

Your answer should contain only positive exponents

$$\frac{27a^9}{-3a^3}$$

Simplify: Your answer should contain only positive exponents.

$$\frac{54y^{10}}{6y^5}$$

Simplify:

Your answer should contain only positive exponents.

$$\frac{(36x^5y^2)}{\left(-9x^3y\right)}$$

Simplify: $$\frac{\left(-20x^7y^5\right)}{\left(-4x^3y^2\right)}$$

Simplify the following monomials: $$\frac{21m^8n^5}{27m^5n^4}$$