Use the even-odd properties to find the exact value of the expression. Do not use a calculator.sec (-60°)
A. 
B. -2
C. 2
D. - 
Answer: C
Mathematics
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Classify the system as either consistent or inconsistent.
A. Consistent B. Inconsistent
Mathematics
Find the product.(8a + 11c)(8a - 11c)
A. 64a2 - 176ac - 121c2 B. 64a2 + 176ac - 121c2 C. 8a2 - 11c2 D. 64a2 - 121c2
Mathematics
Multiply or divide as indicated. Write the answer in lowest terms.1
? 3
A. 7
B. 3
C. 13
D. 6
Mathematics
Determine whether f is continuous at c.f(x) = 
;c = -9
A. not continuous B. continuous
Mathematics