Solve the inequality.-8x - 8 ? -9x - 20
A. {x 
}
B. {x 
}
C. {x 
}
D. {x 
}
Answer: D
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Reduce the rational expression to lowest terms.
A. 
B. 
C. 
D. 
Determine whether the relation is a function. Give the domain and range.{(-4, 2), (4, 9), (-4, -3), (-2, -6)}
A. not a function; domain: {-4, -2, 4}; range: {-6, -3, 2, 9} B. function; domain: {-6, -3, 2, 9}; range: {-4, -2, 4}
A hot-air balloon is held at a constant altitude by two ropes that are anchored to the ground. One rope is 125 feet long and makes an angle of 63° with the ground. The other rope is 115 feet long. What is the distance between the points on the ground at which the two ropes are anchored? ? Apply the rules regarding the use of significant digits to each angle and length after all computations are complete. ?
A. 25 ft B. 28 ft or 85 ft C. 25 ft or 73 ft D. 85 ft E. 28 ft
Write the expression in radical notation. Evaluate by hand when possible.271/3
A. 
; -3
B. 
; -27
C. 
; 3
D. 
; 9