What is the frequency of a wave that has a speed of 8 m/s and a wavelength of 2.0 m? 516 Hz​

If a || b and b | y, then ? a) x || y. b) x | a. c) a | y. d) a || y.

The width of a rectangle is 20 units. can the perimeter p of the rectangle be 64 units when its length x is 11 units? no, because p = 2x + 2(20) no, because p ≠ 2x + 2(20) yes, because p ≠ 2x + 2(20) yes, because p = 2x + 2(20)

What is always true about a positive integer raised to a negative odd power?