Write the expression in standard form.(6 - 3i) + (4 + 5i)
A. 2 + 8i
B. 10 - 2i
C. -10 - 2i
D. 10 + 2i
Answer: D
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Solve the equation.22 = 2 + c
A. c = 10 B. c = 26 C. c = 20 D. c = 30
Perform the indicated operations on a calculator. Express the result with the proper accuracy and precision. Assume that all numbers are approximate.7.12(13.26)
A. 94.4112 B. 94.41 C. 90 D. 94.4
Provide an appropriate response.The standard normal probability density function is defined by f(x) = 
e- x2/2. (a) Show that 
dx = 
.(b) Use the result in part (a) to show that the standard normal probability density function has mean 0.
What will be an ideal response?
Identify the base and the exponent for the exponential expression.72
A. Base: 7, exponent: 2 B. Base: 2, exponent: 14 C. Base: 14, exponent: 2 D. Base: 2, exponent: 7