Which function is represented by the graph?

What is the fewest number of full weeks briyana would have to work to have enough money? 8 weeks9 weeks 10 weeks11 weeks

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?

Ron has 8 caps and 4 of his caps are blue. thes rest of his cap are red. how many of ron's caps are red