I suggest you go to khan acadamey on youtube and look up this topic.
2: 23
3: B
hold on a sec i will keep answering but i wil post this part ill add the rest in the comments
A. (5/2,7/2)
When you look at the graph, giving a rough estimation, 5/2 is 2 1/2 and 7/2 is 3 1/2. The x and y can fit as the midpoint:)
Would do 4 much more pts. this ones a toughie!
If r is the cost of roses which he use 5 d is daisies which he used 3 and f is green filler and he used 4 the cost of 75 more is 234
