Find the measure of the indicated angle. Figure is not drawn to scale.
Find the measure of ?z.
A. 47°
B. 223°
C. 57°
D. 43°
Answer: A
Mathematics
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Find the volume of the solid generated by revolving the region R bounded by the graphs of the given equations about the 
.y = 
, y = -x + 6
A. 20?
B. 16?
C. 
?
D. 72?
Mathematics
A recursion formula and the initial term(s) of a sequence are given. Write out the first five terms of the sequence.a1 = 1, a2 = 5, an+2 = an+1 - an
A. 1, 5, 4, 3, 2 B. 1, -1, 2, -3, 5 C. 1, -5, 6, -7, 8 D. 1, 5, 4, -1, -5
Mathematics
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.? = 5 radians, A = 84 square meters, r = ?
A. 840 m B. 14.49 m C. 5.8 m D. 210 m
Mathematics
Multiply. Simplify if possible.4
? 7
A. 32
B. 11
C. 196
D. 28
Mathematics