Solve the problem.Consider the following simplified digital photograph that has a 3 × 3 grid with four gray levels numbered from 0 to 3. It shows a letter Y in black on a light gray background.
Let A be the 3 × 3 matrix that represents this figure digitally. Find the matrix B for which A + B represents the entire picture becoming one shade lighter.
A. 
B. 
C. 
D. 
Answer: A
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Given a group of students: 
or 
list and count the different ways of choosing the following officers or representatives for student congress. Assume that no one can hold more than one office.Three representatives, if two must be male and one must be female
A. ACB, ACD, AEB, AED, CEB, CED, DEC, BEC, DEA, BEA, DCA, BCA; 12 B. ACB, ACD, AEB, AED; 4 C. ACB, ACD, AEB, AED, CEB, CED; 6 D. ABC, CDE; 2
Provide an appropriate response.Which of the following sets represents the set of integers?
A. {0, 1, 2, 3, 4, 5 ...} B. {..., -3, -2, -1, 0, 1, 2, 3, ...} C. {..., -3, -2, -1, 1, 2, 3, ...} D. {1, 2, 3, 4, 5, ...}
Multiply. Write the answer in descending order and combine like terms.(6p - 1)(36p2 + 6p + 1)
A. 216p3 + 1 B. 216p3 - 1 C. 36p3 - 1 D. 216p3 + 42p2 - 1
Provide an appropriate response.The units-of-production method of depreciation takes into consideration how an asset is used in a business.
A. True B. False