Find a positive value of the given variable so that the trinomial is factorable.x2 + bx - 2; b = ?
A. 4
B. 3
C. 2
D. 1
Answer: D
Mathematics
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Evaluate the integral.
dx
A. 508
B. 
C. 
D. 
+ C
Mathematics
Solve the problem. Round money amounts to the nearest cent.A floor tile measures 32 cm by 32 cm and weighs 170 g. How many kilograms would a stack of 29 tiles weigh?
A. 49.3 kg B. 493 kg C. 0.493 kg D. 4.93 kg
Mathematics
Find 
of the functions.
?
, 
?
A. 
B. 
C. 
D. 
E. 
Mathematics
Perform the indicated operation and simplify. Write the answer in the form a + bi.(4 - 9i)2
A. 97 - 72i B. 16 - 153i C. -65 - 72i D. 16 + 9i
Mathematics