2. Simplify each expression. 6n + 3 + 2n
99-9-9
2p + 3p+ 6-p-3
2.25(14.3m + 6 + 2.7m)

Can you answer my question? will mark brainiest!

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.

Explain why the factor 1.5 is broke. into two numbers in the model.