Simplify the expression.
?
3 + 6·2 - 7
?
A. 9
B. 11
C. -45
D. 8
E. 6
Answer: D
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Solve the problem. Round to the nearest cent unless otherwise noted.Mr. Swanson is ready to retire and play golf every day. He has accumulated $250,000 in savings, and will deposit this amount in a 25-year payout annuity with an annual interest rate of 5.4%. Calculate the following:a. What is the monthly payment received from the annuity?b. What is the total amount received from the annuity? c. What is the total interest earned from the annuity?
A. a. $5563.17 b. $417,237.87 c. $167,237.87 B. a. $2189.27 b. $656,780.31 c. $406,780.31 C. a. $1520.32 b. $456,097.44 c. $206,097.44 D. a. $1266.94 b. $380,081.20 c. $130,081.20
Translate the phrase to an algebraic expression. Use n as the number unless otherwise indicated.the sum of three times a number and eleven
A. 3n × 11 B. 3(n + 11) C. 3n + 11 D. (3 + 11)n
Use the Gauss-Jordan method to find A-1, if it exists.A = 
A. 
B. 
C. 
D. Does not exist
Factor the polynomial completely. If the polynomial cannot be factored, write "prime."64x3 - 1
A. (4x + 1)(16x2 - 4x + 1) B. (4x - 1)(16x2 + 1) C. (4x - 1)(16x2 + 4x + 1) D. (64x - 1)(x2 + 4x + 1)