Find the unknown length in the right triangle. If necessary, round to the nearest tenth.
A. 8.7 m
B. 19 m
C. 38 m
D. 76 m
Answer: A
Mathematics
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Find the intervals on which the function is continuous.y = 
A. discontinuous only when x = 4 B. discontinuous only when x = -7 or x = 4 C. discontinuous only when x = -4 or x = 7 D. discontinuous only when x = 4 or x = 7
Mathematics
Solve the equation for exact solutions.arcsin x + 2 arctan x = ?
A. 
B. 
C. 
D. 
Mathematics
Find the exact value of the sum.sin 75° - sin 15°
A. 
B. - 
C. 
D. 
Mathematics
Solve by making a u-substitution.x - 13x1/2 + 42 = 0
A. {6, 7} B. {-36, 49} C. {-6, 7} D. {36, 49}
Mathematics