HELPP DONT SEND A FILE WHATS the greatest surface area it if then all !

f(x) is   are being squared

g(x) is   increasing by 2

h(x) is adding .25 each time

k(x) is taking the square root

f(x) and k(x) are exponential functions

1. 28 over 9

2. i don't know this i'm sorry : (

3. 19, because the number of books is 95 over 4 divided by 5 over 4

4. 7 and 1 over 3 divided by 1 over 6

5. 9.5

6. $124

7. 2 over 9

8.   (−$8) ⋅ 12

9. -67.2

10. $ 170.00

11. -27 feet

12. 5.7 with bar over 7

hope i !

okay so, you must add the total of monday amd tuesday

4.32+6.86=11.18

then you subtract the totals from this week and last week

11.18-7.89=3.29

3.29 rounds to 3.30 aka 3.3