Solve the equation.24.72 = 6.18t
A. t = 18.54
B. t = 24.72
C. t = 6.18
D. t = 4
Answer: D
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Express as a product.ln 
A. ln 
? ln 4
B. 
C. 
ln 4
D. 3 ln 4
Use the quadratic formula to solve the quadratic equation.y2 - 18 = 3y
A. y = 6, 3 B. y = 6, -3 C. y = -6, 3 D. y = -6, x = 1
Solve the problem.Kimberly invested 
in her savings account for 8 years. When she withdrew it, she had 
. Interest was compounded continuously. What was the interest rate on the account? Round to the nearest tenth of a percent.
A. 3.9% B. 3.8% C. 3.95% D. 3.7%
Perform the indicated operation. Give answers in rectangular form expressing real and imaginary parts to four decimal places.[8(cos 30° + i sin 30°)][3(cos 90° + i sin 90°)]
A. -1.0000 + 1.7321i B. -0.5000 + 0.8660i C. -5.5000 + 9.5263i D. -12.000 + 20.7846i