Perform the addition. Express your answer in simplest form.
+ 
A. 
B. 
C. 3
D. 
Answer: A
Mathematics
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Evaluate the expression without the use of a calculator, and then verify your answer using a calculator.ln e
A. 0 B. -1 C. 1 D. e
Mathematics
Solve the problem.Elissa wants to set up a rectangular dog run in her backyard. She has 22 feet of fencing to work with and wants to use it all. If the dog run is to be x feet long, express the area of the dog run as a function of x.
A. A(x) = 11x - x2 B. A(x) = 12x - x2 C. A(x) = 10x - x2 D. A(x) = 13x2 - x
Mathematics
Solve the quadratic equation in the complex number system by completing the square.8y2 + 1 = 5y
A. 
B. 
C. 
D. 
Mathematics
Divide to find the exact answer. Express the answer as a whole or mixed number when possible and simplify.2
÷ 1
A. 1
B. 1
C. 2
D. 1
Mathematics