Find the indicated trigonometric function of ?.
sec ?
A. 
B. 
C. 
D. 1
Answer: B
Mathematics
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Use counting to determine the whole number that corresponds to the cardinality of the set.A = {x?x is a day in the week}
A. n(A) = 7 B. n(A) = 5 C. n(A) = 1 D. n(A) = 52
Mathematics
The following graph shows the ratio of bachelor's degrees earned by women to men from 1960 through 1990.
?
?
How fast was the ratio changing in the period from 1960 to 1980?
?
__________
?
From 1980 to 1990?
?
__________
What will be an ideal response?
Mathematics
Factor out the variable that is raised to the smaller exponent.x-7 + 8x-2
A. x-7(1 + 8x5) B. x-7(1 + 8x-5) C. x-7(x + 8x5) D. x-7(8x5)
Mathematics
Use mathematical induction to prove that the statement is true for every positive integer n.3 + 8 + 13 + . . . + (5n - 2) = 
What will be an ideal response?
Mathematics