Find the dot product v ? w.v = i + j,
w = -i + j
A. 1
B. -1
C. 0
D. -2
Answer: C
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Identify the curve as simple, closed, both, or neither.
A. Closed B. Both C. Neither D. Simple
For the given bond, whose interest rate is provided, find the semiannual interest payment and the total interest earned over the life of the bond.$5000 Max-Mart Stores 7-year bond at 3.75%
A. $93.75; $1312.50 B. $187.50; $1312.50 C. $9375.00; $131,250.00 D. $75.00; $1050.00
Solve by graphing. Label the axes and show where the solution is located on the graph.In one U.S. town the annual consumption, b, of beef (in kg per person) can be estimated by 
where t is the number of years since 1975. Graph the equation and use the graph to estimate the beef consumption in the year 1995.
A. About 15 kg per person B. About 32 kg per person C. About 18 kg per person D. About 12 kg per person
Factor by grouping.18x2 + 15xy - 12xy - 10y2
A. (3x + 2y)(6x + 5y) B. (18x - 2y)(x + 5y) C. (3x - 2)(6x + 5) D. (3x - 2y)(6x + 5y)