6. A bicycle race organizer needs to put up barriers along a hill. The hill is 300 feet
tall and from the top makes an angle of
depression of 26°. How long does the
barrier need to be?

If the speed of an electromagnetic wave is 100,000 cm/s and its wavelength is 100 cm, what is its frequency? a) 100,000 cycles per second (hz) b) 1 × 10-3 cycles per second (hz) c) 10,000,000 cycles per second (hz) d) 1,000 cycles per second (hz)

Adj has a total of 1075 dance and rock songs on her system. the dance selection is 4 times the size of the rock selection. write a system of equations to represent the situation.

State if the two triangles are congruent. if they are, state how you know?