Witch expression is equivalent to 1/3 (5x+3y)+2/5+7. 5/3x+7/5y+7
15x+92/5y+7
15x+2/5y+7
5/3x+2/5y+7

Need ASAP

Compare these two waves: the blue and orange waves have the same pitch, but the blue wave is louder. the blue and orange waves have the same volume, but the blue wave has a higher pitch. the orange wave has a higher pitch, but the blue wave is louder. the blue wave has a higher pitch, but the orange wave is louder.

What is the value of x? enter your answer in the box. photo attached.

Adj has a total of 1075 dance and rock songs on her system. the dance selection is 4 times the size of the rock selection. write a system of equations to represent the situation.