Complete this sentence. the melting point of a sample will when the size of the sample increases.
decrease
increase
stay the same
be unable to be determined

Anyone know? will mark brainliest if correct

He ! a group of farmers planned to clean 80 acres of wheat per day to finish the work on schedule. right before the work started, they received a new piece of machinery that them clean 10 more acres per day than originally planned. as a result of increased productivity in the last day before the deadline they only had to clean 30 acres. how many acres of wheat did the group of farmers have to clean?

Are the corresponding angles congruent? explain why or why not.