Answer:w40
Step-by-step explanation:
w15/w5 = w10
(w10)^4 = w40 
 
        
             
        
        
        
The probability he will select a hockey card is 1/4, and then the probability that he selects a baseball card without replacement is 1/6.
        
                    
             
        
        
        
Answer:
The answer is (x + 3) (x - 7) = 0
Step-by-step explanation:
x² - 4x = 21
x² - 4x - 21 = 0
x² - 7x + 3x - 21 = 0
x(x - 7) + 3(x - 7) = 0
(x + 3) (x - 7) = 0
Thus, The answer is (x + 3) (x - 7) = 0
<em><u>-TheUnknownScientist</u></em>
 
        
             
        
        
        
The length of the painting is 91 centimeters.
        
             
        
        
        
1, 3 and 4.
1. 3,6>0,9 
2. 3,6<4,725
3. 3,6>1,575
4. 3,6>0,54