Find the exact value of the expression.sec-1(-2)
A. 
B. - 
C. - 
D. 
Answer: A
Mathematics
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Perform the operation in expanded notation. Write your answer in simplified form.99 - 70
A. 49 B. 29 C. 39 D. 1019
Mathematics
Find the area of the triangle using Heron's formula. Round your answer to two decimal places as needed.
A. 229.64 yd2 B. 45.93 yd2 C. 32.48 yd2 D. 162.38 yd2
Mathematics
Provide an appropriate response.If 
f(x) = L, which of the following expressions are true?I. 
f(x) does not exist.II. 
f(x) does not exist.III. 
f(x) = LIV. 
f(x) = L
A. III and IV only B. I and IV only C. II and III only D. I and II only
Mathematics
Provide an appropriate response.Subtract and reduce when necessary: 
- 5
A. 1
B. 
C. 
D. 
Mathematics