Use a calculator to find the approximate value of the expression. Round the answer to two decimal places.cos 
A. -0.31
B. 1.08
C. -0.23
D. 1.00
Answer: A
Mathematics
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Solve.
- x = -1
A. - 
B. 
C. 
D. - 
Mathematics
Provide an appropriate response.Which of the following are true?I. src="https://sciemce.com/media/4/ppg__rr0616191134__f1q186g7.jpg" style="vertical-align: -17.0px;" />
A. none
B. I only
C. I and II only
D. I and III only
E. all of them
= 
II.
+ 
= 0III.
? 
=
Mathematics
Use an integer to express the number.During one year, 29 employees started work at Newline Manufacturing Company.
A. -29 B. 29
Mathematics
Find the additive inverse of the number.-9.3
A. 3.9 B. -9.3 C. 9.3 D. -3.9
Mathematics