Solve.On the morning of December 19 the temperature was -4°F. The next morning the temperature had risen 14°F. What was the temperature on the morning of December 20?
A. -10°F
B. 18°F
C. -18°F
D. 10°F
Answer: D
Mathematics
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Solve the problem.The roof of a building is in the shape of the hyperbola 
where x and y are in meters. Refer to the figure and determine the height h of the outside walls.
a = b = 4 m
A. 9.1 m B. 83 m C. 63 m D. 67 m
Mathematics
Find the slope of the line that passes through the given two points. If the slope is undefined, state this.(-4, 9) and (6, -3)
A. - 
B. - 
C. - 
D. - 
Mathematics
Evaluate.Find (f + g)(4) when f(x) = x - 5 and g(x) = x + 3.
A. 16 B. 0 C. 10 D. 6
Mathematics
Solve.The length of a rectangular frame is 10 cm more than the width. The area inside the frame is 75 square cm. Find the width of the frame.
A. 15 cm B. 25 cm C. 5 cm D. 8 cm
Mathematics