Answer: C
Step-by-step explanation: 6 being positive will be first, so you can already get rid of A and B. To find the order of the next numbers, know that in negative numbers, the higher the number is, the lower its actual value is.
Answer:

Step-by-step explanation:
(triangle)
(semicircle)
Add both together

Answer:
24
Step-by-step explanation
-|-|-|-|-|-|-|-|-|-|-|-|-|-|-|-|-|-|-|-|--|-|-|-|
The height will be six times what is on the drawing.
6 4/5 x 6 = 36 24/5 = 40 4/5 inches tall.