so 21 - 13, the money will be invested for 8 years.

Answer:
54 9/10
Step-by-step explanation:
The perimeter is the sum of all the sides
13 1/4 + 12 1/5 + 18 1/4 + 11 1/5
Add up the whole numbers
13+12+18+11 = 54
1/4+1/5+1/4+1/5
2/4+2/5
1/2+2/5
Get a common denominator
1/2*5/5 + 2/5*2/2
5/10 + 4/10
9/10
Add them back together
54 9/10
“huh” is the interjection!
Answer:
Step-by-step explanation:
2. 11x + 5y - 6
3. - 97x -21y + 100
That's all i could do hope it helps :l