Rationalize the denominator. Assume that all variables represent positive real numbers.
A. 41
B. 
C. 5
D. 
Answer: D
Mathematics
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Provide an appropriate response.Find the length of the wire attached to a light pole 2.5 feet from the top of the light pole. The pole is 36 feet high. The wire is secured with a two-foot screw anchor 18 feet from the base of the pole.
A. 38.0 ft B. 31.2 ft C. 28.3 ft D. 40.2 ft
Mathematics
Use a half-angle formula to find the exact value of the expression.cos 
A. 
B. - 
C. - 
D. 
Mathematics
Find an equation of the line that satisfies the conditions. Write the equation in standard form.Through 
; vertical
A. x = 
B. x = 
C. y = 
D. y = 
Mathematics
Provide an appropriate response.Find y' if y = (2x + 3)3x - 4
What will be an ideal response?
Mathematics