Answer:

Step-by-step explanation:
=
=

Hope this helped! <3
You answer is -4.1. All you do is subtract 2.6 from -1.5.
Answer:
No
Step-by-step explanation:
x + y ≤ 18
x ≥ 6
(5,8)
The second inequality states that x must be greater than or equal to 6, but x =5 so it is not a solution
Answer:
11. C. 315< 6561
12. D. 729>243
13. C. 1
14. B. 1/16
15. B. 1.61*10^8
16. A. 8.5*10^-9
17. A. 49t^8
18. C. -7x^2+8x
19. A. -12k^4-16k^3+20k^2
20. D. 2k^2-7k-4
I didn't guess. It would just take a long time to show all the work I did
Answer:
Step-by-step explanation:
3(2)^2 + 4(1)^2
3(4) + 4
12+4= 16