Please help me for 10 pts

Answer:
a) 10.5
b) 25.32
Step-by-step explanation:
Plug in 2.3 for n in both equations.
First equation:
5 (2.3 - 2) + 9
5 (0.3) + 9
1.5 + 9
10.5
Second equation:
8 (2.3^2) - 17
8 (5.29) - 17
42.32 - 17
25.32
I hope this helps!