A,B,C,D i.e. all statements are true!
<u>Step-by-step explanation:</u>
According to question, Lynn works as a part-time vendor selling necklaces for $15 each and bangles for $10 each. She needs to earn a minimum of $300 per week to cover her expenses.  The inequality for above scenario will be :
 where, x is number of necklaces & y is number of bangles.
 where, x is number of necklaces & y is number of bangles.
A.
Lynn will meet her goal if she sells 12 bangles and 12 necklaces. i.e. x=12 and y=12 , putting values inequality :  which follows inequality . True statement!
 which follows inequality . True statement!
B.
 Lynn will meet her goal if she sells 20 bangles and 6 necklaces. 
putting values inequality :  which follows inequality . True statement!
 which follows inequality . True statement!
C.
 Lynn will meet her goal if she sells 6 bangles and 12 necklaces. putting values inequality :  , which follows inequality . True statement!
, which follows inequality . True statement!
D.
 Lynn will meet her goal if she sells 2 bangles and 18 necklaces.putting values inequality :  , which follows inequality . True statement!
, which follows inequality . True statement!
 
        
                    
             
        
        
        
Answer:
Option D is correct
Step-by-step explanation:
The identity matrix is the matrix, in which, the diagonal elements are 1 and all of non-diagonal elements are 0.
Hope this helps!
 
        
             
        
        
        
<span> ; 112 jumps</span><span>  ; 128 jumps</span><span>  ; 151 jumps</span><span>  ; 172 jumps
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Travel distance by light in a second = 3*10^5 kms
Travel distance by light in 60 seconds = 
3*10^5 * 60
180 * 10^5
1.8 * 10^7 kms