Find the indicated sum of matrices.Find B: 
+ B = 
A. 
B. 
C. 
D. 
Answer: A
Mathematics
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Write the Roman numeral as a Hindu-Arabic numeral.XCI
A. 81 B. 111 C. 191 D. 91
Mathematics
Find the requested probability.A box contains the six letters SAMPLE. Four letters are drawn one by one with replacement and recorded in order. What is the probability that the outcome is LEAP?
A. 
B. 
C. 
D. 
Mathematics
Solve. Round any approximate solution to the fourth decimal place.3x + 8 = 7
A. 1.4677 B. -0.5351 C. 8.5646 D. -6.2288
Mathematics
Use the problem-solving strategy for applications of linear equations to solve the application problem.How many liters (L) of a 10% alcohol solution must be mixed with 50 liters of a 90% solution to get a 20% solution?
A. 400 L B. 40 L C. 35 L D. 350 L
Mathematics