Solve the problem.The largest angle of a triangle is 6 times the smallest angle and it is 3 times the other angle. Find the measure of the smallest angle.
A. 30°
B. 20°
C. 10°
D. 40°
Answer: B
Mathematics
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Solve by the method of elimination by substitution.2x + 2y = 95x + 5y = 10
A. x = 1, y = 1 B. x = 3, y = 5 C. Dependent D. Inconsistent
Mathematics
Solve the equation.-2x - 1 + 4(x + 1) = -5x - 2
A. 
B. 
C. 
D. 
Mathematics
Discuss the equation and graph it.r = 
A. directrix perpendicular to polar
axis 1 left of pole
focus (0, 0), vertex 
B. directrix parallel to polar
axis 1 above pole
focus (0, 0), vertex 
C. directrix parallel to polar
axis 1 below pole
focus (0, 0), vertex 
D. directrix perpendicular to polar
axis 1 right of pole
focus (0, 0), vertex 
Mathematics
Solve the equation. Express radicals in simplest form.
x2 + 
x - 
= 0
A. 
B. {-1}
C. 
D. ?
Mathematics