Perform the indicated operation(s), whenever possible.Let A = 
and B = 
. Find A - B.
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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Find the acute angle between the lines.8x - 6y = -6 and 6x + 6y = 4
A. 0.1419 radians B. 0.1414 radians C. 3.000 radians D. 1.429 radians
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Solve the equation. Express radicals in simplest form.-2k2 - 1 = -19
A. ±6 B. -9.5 C. 3 D. ±3
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Classify the angle as acute, right, obtuse, or straight.
A. Acute B. Straight C. Right D. Obtuse
Mathematics
Solve and check.
= 4x
A. 5 B. 1 C. -5 D. No solution
Mathematics