Solve 24y + 0.2 = 29.6

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.

What is the value of x in the equation 1.5x+4-3=4.5(x-2)?

Which graph represents the function f(x)=4[x]?