Solve.The relationship between Fahrenheit temperature and Celsius temperature can be approximated by an equation of the form 
where x is the temperature in degrees Fahrenheit and y is the temperature in degrees Celsius. Find the equation if two ordered pairs that satisfy it are 
and 
A. y = 
x + 
B. y = 
x - 80
C. y = 
x - 10
D. y = 
x - 
Answer: D
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Perform the indicated operation
Simplify the expression using the order of operations.34 - 7 ? 4
A. 62 B. 102 C. 108 D. 6
A helicopter makes a forced landing at sea. The last radio signal received at station C gives the bearing of the helicopter from C as at an N 57.1º E altitude of 423 feet. An observer at C sights the helicopter and gives 
as 12.1º. How far will a rescue boat at A have to travel to reach any survivors at B (see the figure)? Apply the rules regarding the use of significant digits when determining your answer. Round your answer to the nearest ten feet.
?
?
Distance rescue boat travels = __________ ft
Fill in the blank(s) with the appropriate word(s).
Provide an appropriate response.If x and y are both replaced by negative numbers, is the value of 
positive or negative?
What will be an ideal response?