Answer:
-189
Step-by-step explanation:
Remember to follow the rules of signs:
- If there are two positive signs next to each other, you add:
- If there is one negative sign and one positive sign next to each other, you subtract.
- If there is two negative signs next to each other, you add:
- 412 - (-223) = -412 + 223
Subtract:
223 - 412 = -189
-189 is your answer.
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50 i think i need points lol
All of the above. it is a three dimensional pyramid, and a "polyhedron" means it is triangular.
It doesn’t have an inverse because it doesn’t pass the horizontal line test