Write the expression in the standard form a + bi.(6 + 8i)(6 - 8i)
A. -28
B. 100
C. 36 - 64i
D. 36 - 64i2
Answer: B
Mathematics
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A. 
B. - 9
C. 9
D. - 
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Solve the problem.The material for the bottom of a rectangular box costs $3 per square foot while the material for the sides and top costs $1 per square foot. Find the greatest capacity such a box can have if the total amount available for material is $12.
A. 4 ft3 B. 3 ft3 C. 1 ft3 D. 2 ft3
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Write < or > between the pair of numbers to make the statement true.4 ? 9
A. < B. >
Mathematics
Simplify.
A. 
B. 
C. 2
D. 
Mathematics