How many ways can the teacher choose a group of 5 students to present the first day of Marjorie must present ok he first day

Write the expression as a constant , a single trigonometric function, or a power of a trigonometric function. sin x cos x/ tan x

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)

The perimeter of a rectangle is greater than or equal to 74 meters. if the length is 25 meters, the minimum width of the rectangle is meters.