First, turn the fractions into mixed numbers.
21/4 - 27/8
Then. make the denominators the same.
4 * 2 = 8
21 * 2 = 42
42/8 - 27/8
42 - 27 = 15
15/8
15/8 = 1 7/8
D and e would be the answer
$79.56- $62.51= $17.05.
The stock increased $17.05 in one year~
I think the answer is H but I could be wrong
Don't trust me but it's probably the first one. Just using context clues