Answer:
21
Step-by-step explanation:
We know that the sqaure root of 121 = 11.
So, A - 10 = 11
=> A = 21
B. 1.67 x 10^-24g
Hope this helps?
Answer:
? = 30°
Step-by-step explanation:
All angles in a triangle add up to 180°
? + 130° + 20° = 180°
? = 180° - 130° - 20°
? = 30°
Answer:
It is 1,225 or just 1225.