Answer:
C
Step-by-step explanation:
Using the rule of exponents
= 
Note that 8 = 2³, thus

= 
= 
= 2²
2 white roses.
A dozen is 12.
12-10 red roses = 2 white roses
First, multiply both sides by 2 to get rid of the fraction - nobody likes fractions haha
You’ll have: 5x = -10
Last, divide both sides by 5 to isolate x to one side.
X= -2