Is Oregon a swing or a safe state?

Aladder that is 30 ft long needs to reach 27 ft up a building. what should the angle of the vertical be?

Write the converse of the following statement: if the trees have no leaves, then it is fall. if the trees have no leaves, then it is fall. the trees have no leaves, therefore it is fall. it is fall since the trees have no leaves. if it is fall, then the trees have no leaves.

What is the frequency of the sinusoidal graph?