Determine what fraction of the circumference of the unit circle the value represents.7?
A. 4
B. 
C. 3
D. 
Answer: B
Mathematics
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Factor completely.16x2 + 40xy + 25y2
A. (4x + 5y)(4x - 5y) B. (4x + 5y)2 C. (4x - 5y)2 D. (16x + 1)(x + 25)
Mathematics
How many ways to form a queue from 15 people exist?
a. 1,307,674,368,000 b. 120 c. 210 d. 225
Mathematics
Solve the system by substitution.
What will be an ideal response?
Mathematics
Use a computer algebra system to evaluate 
where S is 
, 
middle;" data-wiris-created="true" varid="variable_id_field" variablename="impvar_a4483314499e49bfab6452960" />, 
. Round your answer to two decimal places.
?
A. 8.40
B. 8.00
C. -3.00
D. 16.80
E. 1.99
Mathematics