Simplify.
A. 
B. 
C. 
D. 
Answer: B
Mathematics
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Write the equation of the line whose graph is shown.
A. y = 2x + 7
B. y = 
x + 7
C. y = 
x - 2
D. y = -2x + 7
Mathematics
Solve the equation.80x3 + 3 = 48x2 + 5x
A. 
B. 
C. 
D. 
Mathematics
Find the exact value of the expression or state that it does not exist.cos 
A. - 
B. - 
C. 
D. 
Mathematics
Point P is on the terminal side of ?. Evaluate the six trigonometric functions for ?. If the function is undefined, write "undefined."P(-7, -9); find cos ?.
A. - 
B. - 
C. 
D. - 
Mathematics