Solve the problem.How long must $5400 be in a bank at 7% compounded annually to become 
(Use the function 
where P0 is the amount initially placed in savings, t is the time in years, and P(t) is the balance after time t. Round to the nearest year.)
A. 6 yr
B. 9 yr
C. 7 yr
D. 8 yr
Answer: C
Mathematics
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Simplify the radical expression. Indicate if the expression is not a real number.
A. - 
B. 
C. - 
D. Not a real number
Mathematics
Factor, if possible.6x2 - 18xy - 24y2
A. 6(x + y)(x - 4y) B. (6x - 6y)(x + 4y) C. 6(x - y)(x + 4y) D. Prime polynomial
Mathematics
Verify the identity.cot3 x = cot x (csc2 x - 1)
What will be an ideal response?
Mathematics
Solve the equation.2c - 9 = -9
A. c = 0 B. c = -18 C. c = 18 D. c = 9
Mathematics