Can u help what is 400.000.000 +600000 help

Beth makes batches of bluberry muffins and banna muffins. each batchis 6 muffins. she makes 2.5 batches of bluberry muffins. how many batches of bananna muffins should beth make if she wants to have a total of 60 muffins?

Evaluate this using ! 0.25^2 x 2.4 + 0.25 x 2.4^2 − 0.25 x 2.4 x 0.65

Paul’s car is 18 feet long. he is making a model of his car that is 1/6 the actual size. what is the length of the model?