The variable is x, and the coefficient is 4x
Answer: 
Step-by-step explanation:
The pool of rats from which the researcher is drawing participants is composed of the following:
23 male albino rats
21 male spotted rats
35 female albino rats
11 female spotted rats
Total rats = 23+21+35+11 =90
After drawing first rat , total rats remained = 89

The probability of choosing a male albino rat and then either a female albino rat or a male spotted rat = 
I call it the frog position
Answer:
4 percent increase in population
Step-by-step explanation:
percent increase = ((412,880 - 397,000)/ 397,000 ) × 100