Answer:
Negative 15 x and 15 x
Step-by-step explanation:
i'm sorry if it is wrong please comment if it is so i can fix it
9-8.2-(-1.9) =
9-8.2+1.9
.8+1.9
2.7
-8-(-5.4)-1.8 =
-8+5.4-1.8
-2.6-1.8
-4.4
Alex has a higher score by 7.1.
Your answer is 6.27
11 / 100 = .11 = 1% of 11
.11 x 57 = 57%
57% = 6.27
10/12 - 9/12 = 1/12 is the answer. you had to change the denominator so that they are the same