Find the equation of the line described, and express your answer in the specified form.Perpendicular to the line -5x + 7y = 54; passes through the point (-8, 9); standard form
A. 7x - 5y = -11
B. 7x - 5y = 54
C. -5x - 7y = -11
D. 7x + 5y = -11
Answer: D
Mathematics
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Find the equation of the set of points P satisfying the given condition.The sum of the distances of P from (±1, 0) is 10.
A. 
+ 
= 1
B. 
+ 
= 1
C. 
+ 
= 1
D. 
+ 
= 1
Mathematics
Multiply or divide (as specified) the numerator and denominator by the given factor to obtain an equivalent fraction.
(multiply by x - 1)
A. 
B. 
C. 
D. 
Mathematics
Without using a calculator, determine the value of the trigonometric function or state that the value is undefined.tan 
A. 
B. - 
C. 
D. 
Mathematics
Simplify. Be sure to rationalize the denominator. Assume that all variables represent positive real numbers.
A. 1
B. 
C. 
D. 
Mathematics