Simplify. If an expression does not represent a real number, state this.
A. 19
B. -7
C. ±7
D. 49
Answer: B
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Provide an appropriate response.Change 0.45° to equivalent minutes and seconds. Round to the nearest second if necessary.
A. 27' B. 1,620' C. 105' D. 54'
Perform the indicated operation and simplify. Write the answer in the form a + bi.(7 - 6i) + (4 - 4i)
A. 11 - 2i B. -11 - 10i C. 11 - 10i D. 11 + 10i
Find the slope and y intercept of the graph of the equation.y = 
x - 
A. Slope = - 
; y intercept = 
B. Slope = 
; y intercept = 
C. Slope = 
; y intercept = 
D. Slope = 
; y intercept = - 
Provide an appropriate response.Write an expression that represents the perimeter of the equilateral triangle (a triangle with three sides of equal length). Simplify the expression.
A. (18x + 12) in. B. (9x + 6) in. C. (18x + 4) in. D. (9x + 2) in.