Use a calculator to find the value of the expression rounded to two decimal places.cos-1 
A. 23.58
B. 66.42
C. 1.16
D. 0.41
Answer: C
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Provide an appropriate response.Find the dual problem to the following: A company has two different locations to assemble three different models of PCs. The table below summarizes the daily production capacity, the minimum number of each type needed, and the daily operating costs for each location. What is the number of days that each location needs to operate in order to fill the orders at minimum cost. 
What will be an ideal response?
Find the sum.-4.2 + [(-1.9) + (-1.7)]
A. 4.4 B. 0.6 C. -7.8 D. 4
Find the area of the rectangle or square.Length = width = 6.5 cm
A. 13 cm2 B. 42.25 cm2 C. 26 cm2 D. 84.5 cm2
Name the correct property to make the sentence true.4(z + r) is equivalent to 4z + 4r by the
A. associative law for addition. B. commutative law for addition. C. associative law for multiplication. D. distributive law.