A triangle has sides with eng sof 4 meters, 5 meters, and 7 meters.
Is it a right triangle?

Find the slope of the line that contains the following points. r(-2, 4), s(6, -2)

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)