Write the expression in standard form.(4 - 9i) + (4 + 5i)
A. -8 + 14i
B. 8 + 4i
C. -8 + 4i
D. 8 - 4i
Answer: D
Mathematics
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Solve the equation for all values 0 ? x ? 2?.sec 
= cos 
A. x = 
, 
B. x = 0, 2?
C. x = 0, 
, ?, 
D. x = 
, 
, 
, 
, 
, 
, 
Mathematics
Divide and round to the nearest hundredth.
Fill in the blank(s) with the appropriate word(s).
Mathematics
Indicate whether the statement below is true or false. If it is false, provide a counterexample.
The product of any two rational numbers is a rational number.
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Mathematics
Multiply and simplify any radicals in your answer. Assume that all variables represent positive real numbers.(4x
)(4
)
A. 80x2
B. 48x
C. 80x
D. 48x2
Mathematics