Solve using a system of two equations in two unknowns.Aviva has 67 dimes and nickels. The total value of the coins is 
Find the number of each type of coin.
A. 25 nickels and 42 dimes
B. 44 nickels and 23 dimes
C. 23 nickels and 44 dimes
D. 28 nickels and 39 dimes
Answer: C
Mathematics
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Write the number in ordinary notation.2 × 104
A. 20,000 B. 2000 C. 200,000 D. 2,000,000
Mathematics
Solve the problem.This chart shows the fees for an 18-hole round of golf for each of the last 5 years at a local municipal golf course. Assume that this chart defines a function with the name of f. Find f(2010).
A. $28 B. $26 C. $24 D. $22
Mathematics
Identify the number as prime, composite, or neither.84
A. Neither B. Prime C. Composite
Mathematics
Subtract.
A. 2n7 - 24n6 + 6 B. 2n7 - 24n6 - 16 C. 2n7 - 14n6 - 16 D. -16n13
Mathematics