Answer:
10 =x
Step-by-step explanation:
-90 = -100 + x
Add 100 to each side to isolate x
-90+100 = -100+100 + x
10 =x
Answer:
easy 72 degree
Step-by-step explanation:
That means she need to buy 2 packs of 100.
Answer:
The is answer is the last one.
Step-by-step explanation:
I just took the test
Answer:
Step-by-step explanation:
a² + b² = c²
a² + 9² = 12²
a² + 81 = 144
a² = 63
a = √63