Solve the problem.Determine the dimensions of the rectangle of largest area that can be inscribed in a semicircle of radius 3.
A. h = 3
, w = 
B. h = 
, w = 3
C. h = 
, w = 3
D. h = 3
, w = 
,
Answer: C
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For the smooth curve r(t), find the parametric equations for the line that is tangent to r at the given parameter value 
r(t) = (5 tan t)i - (9 sin t)j + (8 cos2 t)k ; t0 = 
A. x = 10 + 5t, y = -
- 
t, z= -8 + 4t
B. x = 5 + 10t, y = -
- 
t, z = 8 - 8t
C. x = 5 + 10t, y = -
+ 
t, z = 4 + 8t
D. x = 5 + 10t, y = -
- 
t, z = 4 - 8t
Find the present value of the annuity. Round to the nearest cent.
Payments of $61 made quarterly for 5 years at 8% compounded quarterly
A. $997.44 B. $956.39 C. $243.56 D. $494.76
If possible, evaluate the expression by hand. If not, approximate the answer to the nearest hundredth.729-1/3
A. 9
B. 
C. 
D. -9
Find the arc length. Leave your answer in terms of pi.An arc with central angle 184° and radius 8 m
A. 16.36? m B. 1.02? m C. 0.04? m D. 8.18? m