Find the missing angle or angles.
A. 41°, 82°
B. 82°, 82°
C. 41°, 123°
D. 55°, 109°
Answer: C
Mathematics
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Solve the initial value problem.y'(t) + 7y = 3, y(0) = 1
A. y = 
e-7t + 
B. y = 
e7t + 
C. y = 
e7t + 
D. y = 
e-7t + 
Mathematics
Add.-55 + (-13)
A. 42 B. 68 C. -68 D. -42
Mathematics
Simplify using the product rule.x6 ? x4
A. x24 B. 10x C. 24x D. x10
Mathematics
Solve the application problem. Round to the nearest cent.
Gretta wants to retire in 13 years. At that time she wants to be able to withdraw $12,500 at the end of each 6 months for 7 years. Assume that money can be deposited at 6% per year compounded semiannually. What exact amount will Gretta need in 13 years?
A. $692,132.38 B. $141,200.88 C. $132,937.00 D. $149,224.25
Mathematics