Evaluate the requested trigonometric function using the information given. cos ? = 
; 0 < ? < ?/2Find sec ?.
A. 
B. 2
C. 
D. -2
Answer: B
Mathematics
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Perform the matrix multiplication.
A. 
B. 
C. 
D. 
Mathematics
Solve the equation.2x + 6(-3x - 4) = -33 - 7x
A. 
B. 
C. 
D. 
Mathematics
Use the coordinates of the indicated points to find the slope of the line.
A. 
B. 0
C. -3
D. undefined
Mathematics
Solve the equation for the indicated variable.A = 
for a
A. a = 
B. a = 
C. a = 
D. a = 
Mathematics