Add or subtract as indicated. If terms are not like radicals and cannot be combined, so state. Assume all variables represent nonnegative real numbers.
+ 
A. cannot be combined
B. 2
C. 
D. 
Answer: A
Mathematics
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Solve the problem.One side of a triangle is twice as long as a second side. The third side of the triangle is 17 feet long. The perimeter of the triangle cannot be more than 44 feet. Find the longest possible values for the other two sides of the triangle.
A. 31 feet and 31 feet B. 9 feet and 18 feet C. 14 feet and 14 feet D. 8 feet and 16 feet
Mathematics
Evaluate the integral.
A. 
ln 7x - 
+ 2x + C
B. 
ln 7x - x2 + x + C
C. 
ln 7x - 
+ x + C
D. 
ln 7x - 
+ x + C
Mathematics
Use a graphing calculator to solve the system. Express solutions with approximations to the nearest thousandth.
x -y = 7100x + y = 9
A. {(0.154, -6.444)} B. {(0.158, -6.777)} C. {(0.157, -6.686)} D. {(0.020, 6.971)}
Mathematics
Graph the equation.y = - 
x - 2
A. 
B. 
C. 
D. 
Mathematics