Perform the indicated operation and, if possible, simplify.(8
+ 7)2
A. 399 + 112
B. 497 + 112
C. 455 + 112
D. 497 - 112
Answer: B
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Solve the problem.A person plans to invest $10,000 in a CD at 6% annual interest and in a mutual fund that has a 3-year average annual interest of 11%. Let x and y represent the money (in dollars) invested in the CD and the mutual fund, respectively. How much money should be invested in each account to earn a total of $700 in one year?
A. $2000 invested at 6%; $8000 invested at 11% B. $9000 invested at 6%; $1000 invested at 11% C. $7000 invested at 6%; $3000 invested at 11% D. $8000 invested at 6%; $2000 invested at 11%
Use natural logarithms to solve the exponential equation. If necessary, round to the nearest thousandth.4x = 20
A. 0.463 B. 5.000 C. 1.609 D. 2.161
Subtract.9 - 4 - 8 - 5
A. 
B. 8
C. 
D. 18
Solve the inequality, and graph the solution set.
< 0
A. (-?, -3) or (7, ?)
B. (7, ?)
C. (-3, 7)
D. (-?, -3)