Solve the problem.Kevin invested part of his $10,000 bonus in a certificate of deposit that paid 6% annual simple interest, and the remainder in a mutual fund that paid 11% annual simple interest. If his total interest for that year was $800, how much did Kevin invest in the mutual fund?
A. $6000
B. $4000
C. $3000
D. $5000
Answer: B
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Simplify the given expression. Express answer with positive exponents.
A. 115 x6
B. 
C. 11 x7
D. 
Solve the problem.Rewrite the following in the form of a single exponential: (w6)2
A. w12 B. w4 C. w8 D. w0
Provide an appropriate response.Finish the statement with a correct response. To divide two fractions one needs to:
A. Use the reciprocal of the second fraction (divisor), add the numerators and multiply the denominators. B. Use the reciprocal of the second fraction (divisor) and multiply. C. Add the numerators and multiply the denominators. D. Add the numerators and factor the denominators.
Express the unit vector as indicated.Express the unit vector u = (cos ?)i + (sin ?)j in the same direction as the vector -5i - 7j
A. 
i + 
j
B. 
i - 
j
C. - 
i - 
j
D. 
i + 
j