If a 79.0-foot flagpole casts a shadow 55.0 feet long, what is the angle of elevation of the sun (to the nearest tenth of a degree)?

Aswimming pool is a rectangle with semicircles on the end. the rectangle is 12 meters wide and 30 meters long. the diameter and width of the swimming pool are equal. sketch and label an overhead diagram of the swimming pool. find the area of the swimming pool floor.

The square pyramid has a volume of 441 cubic inches. what is the value of x? 1/7x is the height x is the base

Determine which expressions represent real numbers and which expressions represent complex number. asaaap! plis!