Write a word that has a line symmetry like the word ohio draw the lines of symmetry for each letter

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?

What is the 17th term in the arithmetic sequence in which a6 is 101 and a9 is 83

Two consecutive negative integers have a product of 30. what are the integers?