Determine whether the sequence is geometric.2, 
, 
, 
, . . .
A. Geometric
B. Not geometric
Answer: A
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Evaluate the expression for the given value or values.
for a = -9
A. - 
B. 
C. 
D. - 
Which of the following proportions are true for the given situation? Class A has 30 students, including 12 women. Class B has 25 students including 16 men. ?
A.
?The ratio of men to students in Class A is greater than the ratio of women to students in class B.
B.
?The ratio of the total number of women in both classes to the total number of men in both classes is greater than 1.
C.
?The ratio of the total number of women in both classes to the total number of men in both classes is 
.
D.
?The ratio of men to women in Class A is greater than the ratio of women to men in Class B.
E.
?none of the above are true.
F.
?a and d are true.
Use the rules for exponents to rewrite the expression and then evaluate the new expression. 42 ? 45
A. 262,144 B. 16,777,216 C. 16,384 D. 1,048,576
Determine if the equation is an identity.
+ 
= sin 5x csc x sec x
A. Identity B. Not an identity