Simplify. Assume that all variables represent positive numbers.
A. x + 4
B. x2 + 8x + 16
C. x + 2
D. 
+ 2
Answer: A
Mathematics
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Perform the indicated operations. Express the answer as a fraction reduced to its lowest terms.
+ 
A. 
B. 
C. 
D. 
Mathematics
Write out the sum.
A. 3 + 5 + 7 + ... + (2n - 1) B. 1 + 3 + 5 + ... + (2n + 1) C. 3 + 5 +7+ ... + (2n + 1) D. 1 + 3 + 5 + ... + (2n - 1)
Mathematics
Solve the problem.Find the area of a rectangle that measures 4 inches by 2 feet. Give the area in square inches and in square feet.
A. 96 sq. in.; 
sq. ft
B. 144 sq. in.; 1 sq. ft
C. 96 sq. in.; 
sq. ft
D. 
sq. in.; 96 sq. ft
Mathematics
Find the sum or difference. Write the answer in standard form, a + bi.9i - (-7 - i)
A. -7 + 8i B. 7 + 10i C. 7 - 8i D. -7 - 10i
Mathematics