10-8= 2. 6+4=4. the answer is B
.-.
36 hope i helped best of luck :)
Answer:
12?
Step-by-step explanation:
6/8 = 9/?
8 x 9=72
72/6= 12
In statistics, the 68–95–99.7 rule, also known as the empirical rule, is a shorthand used to remember the percentage of values that lie within a band around the mean in a normal distribution with a width of two, four and six standard deviations, respectively; more accurately, 68.27%, 95.45% and 99.73% of the values lie .