Find the length of the missing side. If necessary, round to the nearest tenth. A. 22
B. 15.6
C. 44
D. 484

Solve the system of equations. y= 2x y= x^2 - 15

Brainlest answer can you find the area and circumference of a circle given the radius or diameter? if its yes or no explain why

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)