Solve the problem.How many different amounts of money can you pay if you use three coins including nickels, dimes, and quarters?
A. 8
B. 11
C. 10
D. 9
Answer: C
Mathematics
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Estimate the magnitude of the error involved in using the sum of the first four terms to approximate the sum of the entire series.
A. 
< 
B. 
< 1.23 × 10-2
C. 
< 1.37 × 10-3
D. 
< 4.12 × 10-3
Mathematics
Perform the indicated operations.(2x - 
)(2x + 
)
A. 4x2 - 4x - 
B. 4x2 - 4x - 
C. 4x2 + 2x - 
D. 4x2 - 2x - 
Mathematics
Use radical notation to write the expression. Simplify if possible.165/4
A. 128 B. 32 C. 512 D. 256
Mathematics
Solve.The time T necessary to make an enlargement of a negative varies directly as the area A of the enlargement. If 96 seconds are required to make a 3-by-4 in. enlargement, find the time required for a 7-by-6 in. enlargement.
A. 420 sec B. 336 sec C. 294 sec D. 378 sec
Mathematics