We desea eartriif una cala sin lapa y que almacene dial mayor volumen. para ello se dispone de una lamina d carton con las siguientes medidas. \[ 10 \mathrm{~cm} \times 9 \mathrm{~cm} \]

What is the slope of the line that passes through the points \( (6,-5) \) and \( (-6,-5) \) ? Write your answer in simplest form.

5. The volume of a cone is given by \( V=\frac{1}{3} \pi r^{2} / \% \). Determine the volume of the cone in simplificd form if the radius is increased by \( x \) and the height is increased by \( 2 x \).

What is the slope of the line that passes through the points \( (6,-8) \) and \( (6,-3) \) ? Write your answer in simplest form.

The four sequential sides of a quadrilateral have lengths \( a=3.4, b=5.7, c=7.9 \), and \( d=9.3 \) (all measured in yards). The angle between the two smallest sides is \( a=99^{\circ} \).

A ladder is leaning against a building so that the distance from the ground to the top of the ladder is 9 feet less than the length of the ladder. Find the length of the ladder if the distance from the bottom of the ladder to the building is 21 feet. The length of the ladder is