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 = 
Answer:
Brainleist!
Step-by-step explanation:
10 marbles total
8 are either purple or orange
8/10 or 4/5 or 80% or 0.8
80 x 0.8 = 64
3x+7-5x=8
-2x+7=8
-2x=1
X=-1/2
y=3(-1/2)+7
y=-1.5+7
y=5.5
Given exponential function:

Let us obtain three points including the y-intercept so that we can plot the function y = f(x)
When x =0:

when x =1:

when x =2:

We have the points : (0, 1), (1, 1/5), and (2, 1/25)
Using these points, let us provide a sketch of the plot of y =f(x). We have the plot as shown below:
Answer:
this is my 50th time seeing you
Step-by-step explanation: