What is the factored form of the expression over the complex numbers?

4x2+25y2

options-

a (2x+5iy)(2x−5iy)

b (2x−5y)(2x+5y)

c(2x+5iy)(2x+5iy)

d (2x−5iy)(2x−5iy)

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)

Which graph represents the equation y =4x

Due to a packaging error, 4 cans labeled diet soda were accidentally filled with regular soda and placed in a 12 pack carton of diet soda. two cans were randomly selected from this 12 pack. what is the probability that both cans were regular soda?