Multiply. Simplify and leave the numerator and denominator in your answer in factored form.
? 
A. - 
B. - 
C. 
D. - 
Answer: A
Mathematics
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Use the quadratic formula to solve the equation. Simplify any radicals.3n2 = -12n - 7
A. 
B. 
C. 
D. 
Mathematics
Determine the phase shift of the function.y = 2 sin (2?x - 3)
A. 
B. 
C. - 
D. -3
Mathematics
The area of the triangular swimming pool shown in the illustration is doubled by adding a rectangular wading pool. Find the width of the pool (x).
(The area of a triangle = 
, and the area of a rectangle = lw).
?
?
?
A. 15 feet
B. 24 feet
C. 12 feet
D. 11 feet
E. 13 feet
Mathematics
Write the expression in the standard form a + bi.(5 + 4i)2
A. 9 B. 9 + 40i C. 41 + 40i D. 25 + 40i + 16i2
Mathematics