Match each angle with its class.
A.
B.
C.
A. acute
B. obtuse
C. right
Mathematics
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Find the reference angle for the given angle.-403°
A. 43° B. 133° C. 47° D. 137°
Mathematics
Use the shell method to find the volume of the solid generated by revolving the region bounded by the given curves and lines about the y-axis.y = 2e-x2, y = 0, x = 0, x = 1
A. 4
?
B. 4
?
C. 2(e - 1) ?
D. 2
?
Mathematics
Determine whether the given linear equations are parallel, perpendicular, or neither.y = -7x - 3y = -7x + 3
A. parallel B. perpendicular C. neither
Mathematics
Find the first term and the common ratio of the geometric sequence.
, 
, 
, 
, 
, . . .
A. a1 = 4, r = 12
B. a1 = 
, r = 4
C. a1 = 4, r = 
D. a1 = 
, r = 
Mathematics