Convert as indicated. If necessary, round to the nearest tenth of a degree.At a particular business, it is required that the temperature be kept at 72°F, but the thermostat is calibrated in degrees Celsius. Find the temperature to be set.
A. 23.2°C
B. 22.2°C
C. 136°C
D. 161.6°C
Answer: B
Mathematics
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Add or subtract, if possible. Assume that all variables represent non-negative values. Simplify your answer. 
+ 
A. 8
B. 56
C. 8
D. -4
Mathematics
Simplify by combining like terms.-12y - 7x - 5x
A. -12y - 12x B. -12y + 2x C. -24xy D. -12y - 2x
Mathematics
How much must the diameter of a 
in. shaft be reduced so that its diameter will be 
in.?
A. 
in.
B. 
in.
C. 
in.
D. 
in.
E. 
in.
Mathematics
Solve the equation. 5
+ 4 = 23Round to the nearest hundredth if necessary.
A. 0.6 B. 3.8 C. -3.8 , 3.8 D. -0.6, 0.6
Mathematics