Solve.|2x + 7| - 2 = 2
A. 
B. 
C. 
D. ?
Answer: A
Mathematics
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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. 
Mathematics
Multiply.0.07 ? 0.06
A. 0.42 B. 0.042 C. 0.000042 D. 0.0042
Mathematics
Refer to right triangle ABC with 
. Solve for all the missing parts using the given information.
?
?
Round each answer to the nearest whole number if necessary.
?
A. ?
B. ?
C. ?
D. ?
E. 
Mathematics
Simplify the expression: .
a. 2 b. 7 c. 8 d. 16
Mathematics