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 dark gray on a white background.
Let A be the 3 × 3 matrix that represents this figure digitally. Find the matrix B such that A + B will represent the entire picture becoming one gray level darker.
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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Write the system of equations that corresponds to the augmented matrix.
A. 
B. 
C. 
D. 
Mathematics
Determine the constant term that must be added to the expression to make it a perfect square.x2 - ax
A. 
B. - 
C. 
D. - 
Mathematics
Arrange the list of numbers in order from smallest to largest.1.954, 1.549, 1.594, 1.459
A. 1.954, 1.594, 1.549, 1.459 B. 1.459, 1.549, 1.594, 1.954 C. 1.954, 1.549, 1.594, 1.459 D. 1.459, 1.594, 1.549, 1.954
Mathematics
Write the expression in lowest terms.
A. 3 B. 2k C. 2k2 D. 3k2
Mathematics