Solve for x and y algebraically:
x + y = 8 and 3x + 2y = 21​

The equation that describes a transverse wave on a string is y = (0.0120 m)sin[(927 rad/s)t - (3.00 rad/m)x] where y is the displacement of a string particle and x is the position of the particle on the string. the wave is traveling in the +x direction. what is the speed v of the wave?

The graph describes the motion of an object. the object moves with from a to b. it from b to c. it moves with from c to d.

Which atomic model was proposed as a result of j. j. thomson’s work?