Use Pythagorean identities to find the indicated function value.sec ? =-7, 90° < ? < 180°; find tan ?
A. -4
B. -8
C. -5
D. -6
Answer: A
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Find the indicated term(s) of the given sequence.The first five terms of the sequence an = 
A. - 
, 
, 1, - 
, 
B. 
, 1, - 
, 
, 
C. 
, 1, - 
, 
, - 
D. - 
, - 1, 
, - 
, 
Solve the problem.How many different license plates can be made using 3 letters followed by 4 digits selected from the digits 0 through 9, if neither letters nor digits may be repeated?
A. 47,174,400 B. 78,624,000 C. 546,000 D. 175,760,000
Solve the problem.Draw a tree diagram for the experiment of tossing a coin once then spinning the spinner once. 
A. 
B. 
C. 
D. 
A geometric sequence is given. Find the common ratio and write out the first four terms.{sn} = 
A. an = 6 
n-1
r = 
; s1 = 6, s2 = 
, s3 = 
, s4 = 
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 ? (2)n-1
r = 2; s1 = 6, s2 = 12, s3 = 24, s4 = 48