What is the percentage decrease of $420 being the original price and new price being $280?

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?

Write the equation in logarithmic form 8^x=64

D. in a discrete probability distribution, the sum of the probabilities for the discrete variables will be > 1. true or false