Abox with an open top is to be constructed from a square piece of cardboard, 15 ft wide, by cutting out a square from each of the four corners and bending up the sides. find the largest volume such a box can have.

Does the problem involve permutations or? combinations? do not solve. the matching section of an exam has 4 questions and 7 possible answers. in how many different ways can a student answer the 4 ? questions, if none of the answer choices can be? repeated?

Anyone know? will mark brainliest if correct!

Mrs. gehrke said cheddar weighs 16.8 pounds. he actually weighs 15.2 pounds. what is the percent error?