How many combinations can you make with4 different toys

Weak battery is considered to be a part of routine a. inspection b. wear and tear c. maintenance d. check

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?

If x = -2, then x 2-7x+10 equals a. 0 b.20 c.28