Answer:The amplitude:30
so a:-30
the period is:12
so b: pi/6
Step-by-step explanation:
 
        
                    
             
        
        
        
Answer:
y=-10
Step-by-step explanation:
y=-2(3)-4
y=-10
 
        
             
        
        
        
Answer:
5%
Step-by-step explanation:
Probability is the likelihood of an event taking place.
-Given there are 95 white and 5 blue pieces, the total number of papers is 100.
-The theoretical first attempt probability is equivalent to the number of each paper divided by the total:

Hence, the theoretical probability that a blind-folded person draws a blue piece of paper on the first attempt is 0.05 or 5%