Multiply. Write your answer in a + bi form.(3 + 9i)(2 + 7i)
A. -57 - 39i
B. 69 - 3i
C. -57 + 39i
D. 63i2 + 39i + 6
Answer: C
Mathematics
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Provide the proper response.Draw a connect planar network with 10 edges that separates the plane into 6 regions.
What will be an ideal response?
Mathematics
Answer the question about the given function.Given the function f(x) = 
, list the x-intercepts, if any, of the graph of f.
A. (-3, 0) B. (3, 0) C. (9, 0), (-9, 0) D. none
Mathematics
Find the equation for the line described.the line passing through the point (1, -2) and having slope 3
Fill in the blank(s) with the appropriate word(s).
Mathematics
Solve by making a u-substitution.x - 11
+ 30 = 0
A. {25, 36} B. {-25, 36} C. {-5, 6} D. {5, 6}
Mathematics