Write the first four terms of the sequence.an = 
A. 
, 
, 
, 
B. 1, 
, 
, 
C. 
, 
, 
, 
D. 
, 
, 
, 
Answer: C
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Evaluate the integral.
A. 
B. 
C. 
D. 
Solve the problem.Find the radian measure of the central angle ? which intercepts a 71.5 cm arc in a circle of radius 13 cm. Round to one decimal place, if necessary.
A. 6 radians B. 0.1 radians C. 5 radians D. 5.5 radians
The area of a rectangle is 54 square centimeters, and its perimeter is 30 centimeters. Find the dimensions of the rectangle. ? Please enter your answer as two numbers without the units, separated by a comma.
What will be an ideal response?
Find a rectangular equation for the plane curve defined by the parametric equations.x = 5 cos t, y = -2 sin t; 0 ? t ? 2?
A. 4x2 - 25y2 = 100; x ? 5
B. 4x2 + 25y2 = 1; - 
? x ? 
C. 4x2 + 25y2 = 100; -5 ? x ? 5
D. 4x2 - 25y2 = 1; x ? 