Write the expression in the standard form a + bi.5i5(1 + i3)
A. 5 + 5i
B. 5 - 5i
C. -5 + 5i
D. -5 - 5i
Answer: A
Mathematics
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Graph the function as a solid curve and its inverse as a dashed curve.f(x) = 5x 
A. 
B. 
C. 
D. 
Mathematics
Assume that, at a certain college, 33% of all physics majors belong to ethnic minorities. Given a random sample of 10 physics majors, find the probability of the indicated event. Round your answer as appropriate.Two or less belong to an ethnic minority.
A. .1990 B. .1080 C. .2888 D. .3070
Mathematics
Find the solution to the system of equations by substitution. 3x + y = 0-3x + y = -6
A. (-1, -3) B. (-1, 3) C. (1, 6) D. (1, -3)
Mathematics
Find the equation of the line described. Write the equation in slope-intercept form, if possible.(2, -9) and (5, -27)
A. y = 
x - 
B. y = -6x + 3
C. y = - 
x - 
D. y = 6x - 21
Mathematics