Which statement best describes how waves carry energy? Energy moves from one place to another through the wave. Energy increases as it moves through the wave. Energy is completely consumed by the beginning of the wave. Energy builds through the wave and is released at the end.

The value of x in this system of equations is 1. 3x + y = 9 y = –4x + 10 substitute the value of y in the first equation: combine like terms: apply the subtraction property of equality: apply the division property of equality: 3x + (–4x + 10) = 9 –x + 10 = 9 –x = –1 x = 1 what is the value of y?