Answer:
36
Step-by-step explanation:
–12i × 3i
Multiply the numbers
-12*3 = -36
Multiply the imaginary number 
i*i= i^2
We know i^2 = -1
-36 * -1 = 36
 
        
                    
             
        
        
        
Answer:
Trapezoid
Step-by-step explanation: Only a 360 rotation will make the shape appear the same again.
 
        
                    
             
        
        
        
Answer:
False
Step-by-step explanation:
In order to perform matrix multiplication, the number of columns in the first matrix must be the same as the number of rows in the second matrix.
In this case, the number of columns in the first matrix is 5 and the number of rows in the second column is 3 therefore they aren't the same value, hence, cannot be multiplied
 
        
             
        
        
        
B.Time is a function of distance. is the answer ot the question
A group of students is timed while sprinting 100 meters. Each student’s speed can be found by dividing 100 m by their time. Is each statement true or false?
Speed is a function of time.
Time is a function of distance.
Speed is a function of number of students racing.
Time is a function of speed.