Write the equation in terms of a rotated x'y'-system using ?, the angle of rotation. Write the equation involving x' and y' in standard form.xy +16 = 0; ? = 45°
A. 
+ 
= 1
B. 
- 
= 1
C. y'2 = -32x'
D. 
+ 
= 1
Answer: B
Mathematics
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Determine an appropriate viewing window for the given function and use it to display its graph.f(x) = 
A. 
B. 
C. 
D. 
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If m
= 105° and m
= 27°, find m
.
A. 39°
B. 44°
C. 78°
D. 88°
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Solve the problem. Give an exact answer and an approximation to the nearest tenth.Below is a diagram of a water slide. How far is it along the ground from the end of the slide back to the base of the ladder that leads to the slide?
A. 
ft ? 18.7 ft
B. 
ft = 175.5 ft
C. 
ft ? 3.0 ft
D. 
ft ? 28.3 ft
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Solve the problem.A laminated lab bench has 2
inches of plywood, 3
inches of pressed board, and 
inch of formica. What is the thickness of the lab bench?
A. 
inch
B. 1
inch(es)
C. 6
inches
D. 
inch
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