Given ABC = DEF, m DE = 5x - 4. Find the value of x.?

What is the perimeter of square abcd? units units 28 units 37 units

Which point lies on a circle with a radius of 5 units and center at p(6, 1)?

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)