How to solve quadratic equations with a cubed term, squared term, and a term with an x

Find the length of the diagonal of the rectangle. round your answer to the nearest tenth. || | | 8 m | | | | 11 m

The table below shows the angle measurements for triangle abc and triangle xyz. if triangle abc is similar to triangle xyz, what does angle z equal, in degrees?

Find the slope of the line that passes through the points (-3, -1) and (0, 3). 3/4 0 4/3