How much larger is a pizza made in a 16-in square pizza pan than a pizza made in a 16-in diameter circular pan?

Two customers went to a post office. first customer paid $12 for 14 and 5 envelopes the second paid 24.80 for 10 postcards and 15 envelopes. what is cost of each envelope?

Anna is constructing a line segment that is congruent to another segment ab. for the construction, which tool should be used to mesure segment ab

Will mark brainliest! ( explain the answer too, it can be one sentence)