The frequency (f) and length (l) of a wave are related by the following formula: f x l = 3.0 x 10^10. consider that the wavelength of x-rays is 1 x 10^−11. what is the frequency of x-rays?

Cynthia takes her dog to the park every 2 days. she bathes her dog every 7 days. if she took her dog to the park and bathed him today, how long will it be until she does both on the same day again?

What is the length of the unknown leg in the right triangle ?

Consider 6x2 + 6x + 1. which term immediately tells you that this expression is not a perfect square trinomial? justify your answer