Answer:
1926cm²
Step-by-step explanation:
Given
Dimension = 21cm by 18cn by 15cm
<em>The illustration in this question is to determine the surface area of the fabric and this is calculated using the surface area of a cuboid as follows:</em>
<em></em>

Where L, B and H are the dimensions.
So,





<em>Hence, 1926 cm² of fabrics are needed to cover all surfaces.</em>
 
        
             
        
        
        
The spring constant, k, in Hooke's Law has units of Newton per meter since it is a constant for the force applied per unit of length. The spring constant measures how strong and stiff the spring is. Hope this answers the question. Have a nice day.
        
             
        
        
        
Approximately there are some of these on the we
        
             
        
        
        
Answer:
Step-by-step explanation:$30 per month, $0.20 per text
A: 50 text messages in order for both plans to cost the same
 
        
             
        
        
        
John gets 12, Walt, Matt, and Richie get 4 each