Find the acute angle between the lines.3x - y = -16 and 2x + y = 13
A. 30°
B. 45°
C. 60°
D. 75°
Answer: B
Mathematics
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Find the least common multiple of the numbers.20 and 30
A. 300 B. 200 C. 600 D. 60
Mathematics
Use either the binomial theorem or Pascal's Triangle to expand the binomial.(x + 6y)5
A. x5 + 30x4y + 360x3y2 + 2160x2y3 + 6480xy4 + 7776y5 B. x5 + 30x4y + 720x3y2 + 4320x2y3 + 6480xy4 + 6y5 C. x5 + 30x4y + 360x3y2 + 2160x2y3 + 6480xy4 + 7776 D. x5 + 30x4y + 720x3y2 + 4320x2y3 + 6480xy4 + 7776y5
Mathematics
Find the inverse of the function.f(x) = 3x + 8
A. f-1(x) = 
B. f-1(x) = 
C. f-1(x) = 
D. f-1(x) = 
Mathematics
Add.119 + (-1944)
A. 2063 B. -1825 C. 1825 D. -2063
Mathematics