Solve triangle ABC. Round side lengths and angle measures to the nearest tenth when necessary.a = 20, b = 33, c = 44
A. A ? 25.3°, B ? 22.5°, C ? 132.2°
B. A ? 44.9°, B ? 25.3°, C ? 109.8°
C. No triangle exists.
D. A ? 25.3°, B ? 44.9°, C ? 109.8°
Answer: D
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Solve the problem.The position(in feet) of an object oscillating up and down at the end of a spring is given by 
at time t (in seconds). The value of A is the amplitude of the motion, k is a measure of the stiffness of the spring, and m is the mass of the object. Find the object's velocity at time t.
A. v = - A
cos 
ft/sec
B. v = A
cos 
ft/sec
C. v = A
cos 
ft/sec
D. v = A cos 
ft/sec
Find the standard-form equation of the hyperbola centered at the origin which satisfies the given conditions. Foci at (
, 0), (-
, 0); asymptotes y = 6x, y = -6x
A. y2 - 
= 1
B. 
- x2 = 1
C. 
- y2 = 1
D. x2 - 
= 1
Use the appropriate Taylor polynomial of degree 3 at x = 0 to approximate the quantity. Round the answer to four decimal places.e2.25
A. 8.8377 B. 9.4672 C. 1.2813 D. 9.5677
Solve.A store has gross revenues of $4425, $4532, $6225, and $7909 in its first four weeks of business. What was the gross revenue for those four weeks?
A. $23,641 B. $23,191 C. $22,091 D. $23,091