Answer:
b = 34°
Step-by-step explanation:
b + 115° + 31° = 180°
b + 146° = 180
b = 180° - 146°
b = 34°
Exponential form:12^3
Standard form:1728
Expanded form:12x12x12
If you would like to know what percent of 100 is 30, you can calculate this using the following steps:
x% of 100 is 30
x% * 100 = 30
x/100 * 100 = 30
x = 30%
The correct result would be a. 30%.