What is the frequency of a wave with a velocity of 2.5m/sec and a wavelength le 0.50 m/wave? Por favor alguien que me ayude lo más rápido posible.​

Use the data on the dot plot to answer the question. how many people read for more than three hours last week? i'm on a unit test review

Solve the following pair of equations for x and y: ax/b_ by /a= a +b; ax - by = 2ab

The length of an intercepted arc of a central angle of a circle is 4 cm. if the radius of the circle is 5 cm what is the measurement of the central angle to the nearest whole degree