A 15
10X-2
10. Evaluate the expression
at x = -5 and y = -1.
- 3+y
A. 12
B-12
C. 13
D. -13
4a2-b
11. If a = 6, b = 24, and c = -9, evaluate
2c +6
B 10
C. -5
D. 5​