The contestants total number of points is 20.
30 + 15 = 45
45 - 25 = 20 total points
        
                    
             
        
        
        
Answer:
128
Step-by-step explanation:
2 to the power of 7 means you multiply 2 seven times over
2*2*2*2*2*2*2 = 4*2*2*2*2*2= 8*2*2*2*2= 16*2*2*2= 32*2*2= 64*2 = 128
plz give brainliest
 
        
             
        
        
        
Answer:
a. p = the population proportion of UF students who would support making the Tuesday before Thanksgiving break a holiday.
Step-by-step explanation:
For each student, there are only two possible outcomes. Either they are in favor of making the Tuesday before Thanksgiving a holiday, or they are against. This means that we can solve this problem using concepts of the binomial probability distribution.
Binomial probability distribution
The binomial probability is the probability of exactly x successes on n repeated trials, and X can only have two outcomes.

In which  is the number of different combinatios of x objects from a set of n elements, given by the following formula.
 is the number of different combinatios of x objects from a set of n elements, given by the following formula.

And p is the probability of X happening.
So, the binomial probability distribution has two parameters, n and p.
In this problem, we have that  and
 and  . So the parameter is
. So the parameter is
a. p = the population proportion of UF students who would support making the Tuesday before Thanksgiving break a holiday.
 
        
             
        
        
        
X = 1 , y = - 2
Hope this helped
        
                    
             
        
        
        
Answer:
63 divided by 3 is 21 so x=21
Step-by-step explanation: