Given the polynomial f (x) and a factor of f (x), factor f (x) completely f (x) = x3 - x2 -21x + 45; (x + 5)

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 distance between two points is 6.5cm and scale of map is 1: 1000 what's the distance between the two points

Asap! i need this done today and i really don’t understand it. some one ! will mark