Simplify.
A. 
B. 
C. 
D. k - 2
Answer: A
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Solve the equation 
for ?y. Round your answers to two decimal places, if necessary.
?
A. 
or 
B. 
or 
C. 
or 
D. None of the above.
Multiply. Simplify the answer completely.
? 12
A. 
B. 
C. 
D. 
Find the missing parts of the triangle. Round to the nearest tenth when necessary or to the nearest minute as appropriate.a = 6.3 in.b = 13.6 in.c = 15.3 in.
A. A = 24.3°, B = 62.6°, C = 93.1° B. A = 22.3°, B = 62.6°, C = 95.1° C. No triangle satisfies the given conditions. D. A = 26.3°, B = 60.6°, C = 93.1°
A geometric sequence is given. Find the common ratio and write out the first four terms.{sn} = 
A. an = 6 ? (2)n-1
r = 2; s1 = 6, s2 = 12, s3 = 24, s4 = 48
B. an = 
(6)n-1
r = 
; s1 = 6, s2 = 12, s3 = 24, s4 = 48
C. an = 6 
n-1
r = 
; s1 = 6, s2 = 3, s3 = 
, s4 = 
D. an = 6 
n-1
r = 
; s1 = 6, s2 = 
, s3 = 
, s4 = 