What is the answer to 2x-3y=11 2x+y=9

What properties allow transformation to be used as a problem solving tool

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 of the following values are in the range of the function graphed below? check all that apply ! - will give the answer "brainliest! "