Express the exercise as a system of linear equations, then find the solution. Use a calculator where appropriate.Aviva has a total of 52 coins, all of which are either dimes or nickels. The total value of the coins is $4.25. Find the number of each type of coin.
A. 24 nickels; 28 dimes
B. 33 nickels; 19 dimes
C. 21 nickels; 31 dimes
D. 19 nickels; 33 dimes
Answer: D
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Provide an appropriate response.The straight-line method of depreciation is actually an accelerated method of depreciation.
A. True B. False
Solve the problem.How many 2-digit numbers can be formed using the digits 1, 2, 3, 4, 5, 6, 7, 8, 9, and 0? No digit can be used more than once.
A. 45 B. 1,814,400 C. 90 D. 3,628,800
Provide an appropriate response.In a raffle 1000 tickets are being sold at $1.00 each. The first prize is $100, and there are 3 second prizes fo $50 each. By how much does the price of a ticket exceed its expected value?
A. $1.00 B. $0.75 C. $1.75 D. $50
Perform the indicated operations and simplify the result. Leave the answer in factored form.
? 
A. 
B. 
C. 
D. 