Suppose ABC is a right triangle with sides of lengths a, b, and c and right angle at C. Find the unknown side length using the Pythagorean theorem and then find the value of the indicated trigonometric function of the given angle. Rationalize the denominator if applicable.Find sec B when a = 3 and b = 8.
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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Graph the system of inequalities.x + 2y ? 2x - y ? 0
A. 
B. 
C. 
D. 
Mathematics
Use the rules for exponents to rewrite the expression and then evaluate the new expression. 
A. -14 B. -5 C. 0 D. 1
Mathematics
Find the quotient. Write the answer in standard form.
A. 
i
B. - 
C. 
D. - 
i
Mathematics
Provide an appropriate response.Explain why 
= ?x? when k is even but 
= x when k is odd.
What will be an ideal response?
Mathematics