Simplify, if possible, by combining like terms.-6y - 5y
A. 11y
B. -11y2
C. -11y
D. 30y
Answer: C
Mathematics
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Approximate the square root. Round to the nearest tenth, if needed.
A. 15.5 B. 15.2 C. 15.4 D. 15.3
Mathematics
Solve the system of equations by Gaussian elimination. If there is an unlimited number of solutions, find two of them.x + y = 3x - y = -2
A. x = 
, y = - 1
B. Inconsistent
C. x = 
, y = 
D. x = 
, y = 
Mathematics
Find the exact value by using a half-angle identity.sin 
A. 
B. 
C. 
D. 
Mathematics
Find the area under the curve over the indicated interval.
Mathematics