Solve by separating the two absolute values into equal and opposite cases.
= 
A. 
B. {4}
C. 
D. ?
Answer: C
Mathematics
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Write the expression as a pure imaginary number.
A. 
i
B. -50i
C. ±50
D. 50i
Mathematics
Perform the indicated operations and simplify the result. Leave the answer in factored form.
A. 
B. x2 + 7
C. 
D. 7
Mathematics
Solve.The area of a square is found by the equation A = s2 where s is the length of a side. If the area of a square porch is 64 square feet, find the dimensions of the porch.
A. 10 ft by 10 ft B. 7 ft by 7 ft C. 9 ft by 9 ft D. 8 ft by 8 ft
Mathematics
Perform the indicated operation. Simplify if possible.
- 
A. 4b B. 5a C. 16b D. 0
Mathematics