Solve the equation.
k - 5 = 1 + 
k
A. k = 14
B. k = 42
C. k = 21
D. k = 28
Answer: C
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Evaluate the expression according to the order of operations.5 ? (4 + 3)2 - 4 ? (6 - 3)2
A. 1081 B. 493 C. 2169 D. 209
Solve the application problem. Round to the nearest cent.
Find the least amount that could be deposited in a bank account today at 6% compounded quarterly to allow $650 withdrawals at the end of each quarter for 9 years?
A. $17,979.44 B. $18,354.13 C. $68,687.22 D. $17,599.13
Solve the problem.Brand A soup contains 854 milligrams of sodium. It is recommended that a person requiring 2000 calories daily consume 2500 mg of sodium or less per day. Graph the function, f, that computes the number of mg of sodium in x cans of soup together with y1 = 2500, y2 = 5000, y3 = 7500 in [0, 10, 1] by [0, 8000, 1000]. Use the intersection-of-graphs method to find how many cans of soup contain 1, 2, and 3 daily allowances of sodium.
A. 
1 allowance = 3 cans;
2 allowances = 5 cans;
3 allowances = 8 cans
B. 
1 allowance = 3 cans;
2 allowances = 6 cans;
3 allowances = 9 cans
C. 
1 allowance = 6 cans;
2 allowances = 9 cans;
3 allowances = 3 cans
D. 
1 allowance = 3 cans;
2 allowances = 6 cans;
3 allowances = 9 cans
Use a positive rational exponent to write the expression.
A. x4/3 B. 3x4 C. 4x3 D. x3/4