Answer:
Number 2 is 50
Number 3 is 30
Number 4 is 35 (I think)
Number 5 is 34 (I think)
Number 6 is 100
Step-by-step explanation:
Every other term after the first term increases by 3
Every other term after the second decreases by 3
So, continuing the pattern
4, 15, 7, 12, 10, 9, <span>13</span>
3/8 is the correct answer
Answer:

Step-by-step explanation:

Answer:
Prevalence
Step-by-step explanation:
A prevalence rate is the number of cases of a disease existing in a population divided by the population.