Write a mathematical expression for the word phrase.-7 less than the sum of 5 and -12
A. (5 + (-12)) - 7
B. (5 - (-12)) - (-7)
C. (5 + 12) - (-7)
D. (5 + (-12)) - (-7)
Answer: D
Mathematics
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A. 
B. 
C. 
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÷ 
A. 
B. 
C. 
D. 
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Solve the problem.A hot-air balloon is rising vertically 10 ft/sec while the wind is blowing horizontally at 4 ft/sec. Find the angle that the balloon makes with the horizontal.
A. 34.3° B. 68.2° C. 21.8° D. 52.8°
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(h ? 0) for the given function.f(x) = 6x - 5
A. 
B. -6h
C. 6
D. 5
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