Answer:
15%
Step-by-step explanation:
34.50-30=4.50
10% of 30= 3
5%of 30 = 1.50
3+1.50=4.50
so 4.50 = 15%
5%
Just trust me
-6d^2 + 12d - 3
use PEMDAS
parentheses
exponents
multiplication
division
addition
subtraction
use that order to solve problems like that.