Use the formula for 
to solve.If the police have 7 suspects, how many different ways can they select 5 for a lineup?
A. 21
B. 2520
C. 35
D. 42
Answer: A
Mathematics
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Round the money amount to the specified place.$2.485 to the nearest cent.
A. $2.49 B. $2.48 C. $2.5 D. $2
Mathematics
Find the missing factor or exponent(s).
? = 
A. 10 B. 9 C. 8 D. 15
Mathematics
Use the given values to evaluate (if possible) three trigonometric functions cos x, csc x, tan x.
?
A. ?
tan x = - 
?
B. ?
tan x = - ?
C. ?
?tan x = 
?
D. ?
?tan x = 
?
E. ?
?tan x = - 
?
Mathematics
Provide an appropriate response.A colleague asserts that a calculation of the average rate of change of y with respect to x from 
to 
will always be only an approximation to the instantaneous rate of change at 
Do you agree with this assertion? Explain your answer using graphs or examples.
What will be an ideal response?
Mathematics