If A denotes the area of the sector of a circle of radius r formed by the central angle ?, find the missing quantity. If necessary, round the answer to two decimal places.r = 69.7 centimeters, ? = 
radians, A = ?
A. 242.9 cm2
B. 10.9 cm2
C. 763.1 cm2
D. 1526.2 cm2
Answer: C
Mathematics
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Evaluate the integral.
dt
A. 9 cos 
+ C
B. - 
cos 
+ C
C. -cos 
+ C
D. 
cos 
+ C
Mathematics
Solve the inequality.For the function g(x) = x4 - 81x2, solve g(x) < 0.
A. (-9, 0) ? (0, 9) B. (-?, -9) ? (0, 9) C. (-?, -9) ? (9, ?) D. (-9, 0) ? (9, ?)
Mathematics
Decide if the given ordered pair is a solution to the inequality.2x + 3y < 5: 
A. Yes B. No
Mathematics
Provide an appropriate response.Find the equation of the line parallel to y = 2x - 5 and passing through the point (2, -3). Solve the equation for y.
Fill in the blank(s) with the appropriate word(s).
Mathematics