Find the product of the given complex number and its conjugate. Write the answer in the form a + bi.
+ 2i
A. 10 - 4i
B. 8
C. 10 + 4i
D. 14
Answer: D
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Write the negation of the conditional. Use the fact that the negation of p ? q is p ? ~q.If the box is in the mail, then it should be here by Monday.
A. The box is in the mail so it should be here by Monday. B. The box is not in the mail and will not be here by Monday. C. If the box is in the mail, then it will not be here by Monday. D. The box is in the mail and will not be here by Monday.
Solve the problem.Water is discharged from a pipeline at a velocity v given by 
where p is the pressure (in psi). If the water pressure is changing at a rate of 
find the acceleration (dv/dt) of the water when 
A. 108 ft/s2 B. 59.3 ft/s2 C. 1990 ft/s2 D. 36.2 ft/s2
Divide. Leave your answer in exponent form. Assume that all variables in any denominator are nonzero.
A. 
B. -32
C. 
D. 32
Write the fraction in simplest form.
A. 
B. 
C. 
D. 