Subtract.-18n6 + 5n7 + 18 from 2n7 - 14n6 - 13
A. -30n13
B. -3n7 - 9n6 + 5
C. -3n7 + 4n6 - 31
D. -3n7 + 4n6 + 5
Answer: C
Mathematics
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A. 74,000 cg B. 0.074 cg C. 0.74 cg D. 740,000 cg
Mathematics
Find a rational number and an irrational number between the given pair of numbers. ? ?4.5 and 4.6 ?
A. 
B. ?
C. ?
D. ?
E. ?
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Convert to fraction notation.6
A. 
B. 
C. 
D. 
Mathematics
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 which represents the entire picture becoming one gray level darker.
A. 
B. 
C. 
D. 
Mathematics