Write the expression in standard form.(5 - 5i)(4 + 9i)
A. -45i2 + 25i + 20
B. -25 - 65i
C. 65 + 25i
D. 65 - 25i
Answer: C
Mathematics
You might also like to view...
Find the limit.
A. - 5 B. 7 C. 10 D. -7
Mathematics
Find the formula for the function.Express the volume of a sphere as a function of its radius r.
A. V = ?r3
B. V = 
?r3
C. V = 
?r3
D. V = 
?r2
Mathematics
Describe the given set of points with a single equation or with a pair of equations.The circle in which the plane through the point (10, -1, -2) perpendicular to the x-axis meets the sphere of radius 26 centered at the origin.
A. x2 + y2 + z2 = 676 and z = 10 B. x2 + y2 + z2 = 576 and y = 10 C. x2 + y 2 + z2 = 476 and y = 10 D. x2 + y2 + z2 = 676 and x = 10
Mathematics
If 
is positive then the function 
is certain to be positive.
Answer the following statement true (T) or false (F)
Mathematics