$$\frac{11^2}{6^0}$$

$$2\left(\frac{8}{5\:+x^2}\right)$$

$$10z+5$$

$$t^2+7t$$

$$\frac{\cos\left(7x\right)-\cos\left(x\right)}{\sin\left(7x\right)-\sin\left(x\right)}$$

$$3x^2-7x-6=0$$

$$1000\int_8^{10}y\left(4-y^2\right)^{\frac{1}{2}}dy$$