It was some mistake in previous one so i edited this one.
Answer:
The answer is C
Step-by-step explanation:
Answer:
imm a bit sorry I could only answer the international one as the national is equal to international place value system
Step-by-step explanation:
eight hundred ninety three thousand four hundred fifty one
hth tth th h t o
8 9 3 4 5 1
I hope you understand
Answer: No
Step-by-step explanation:

Replace x for 5 and -7 separately.


Answer:
133
Step-by-step explanation:
its an obtuse angle