A quality control engineer tested a sample of 130 batteries from a batch of 6500 batteries. The engineer found 3 defective batteries in the sample. About how
many defective batteries can the engineer expect in the batch?

True or false? a triangle can be circumscribed about a given circle

Plz heeeeeeelp plz give me the answer

Amuffin recipe, which yields 12 muffins, calls for cup of milk for every 1 cups of flour. the same recipe calls for cup of coconut for every cup of chopped apple. to yield a batch of 30 muffins, how much flour will be needed in the mix?