Answer:
4x+10y^-7
Step-by-step explanation:
His score is 50
How to:
First test grade:0
Second test grade:50
Third test grade: 100
Add all three and divide by 3
Answer:
-5x-3y^3
Step-by-step explanation:
x-3y^3+3x^3-5x-x^3-x-2x^3
3x + 5x = 8x just like regular adding
Answer:
15.) 9.5%, 5/9, 0.95, 99%
16.) 0.35, 3/8, 38%, 50%
17.) 44.5%, 0.45, 54%, 4/5
18.) 0.3, 3%, 20%, 1/3
Step-by-step explanation:
