Answer:
1) D
2) A
Step-by-step explanation:
I hope this helps.
11. D Square pyramid
12. A Cube
168
132, 135, 138, 141, 144, 147, 150, 153, 156, 159, 162, 165, 168
the answer would be -b
1.x=13/8-3y/8
2.x=11/3-2y/3