Can someone please help me solve the "evaluate Ramon's equation" with the given from the above

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 rate for one gallon of gasoline

Evaluate each expression. determine if the final simplified form of the expression is positive or negative -42 (-4)2 42