Divide and write in standard form.
A. 
+ 
B. 9 - 1
C. 2 + i
D. 
+ 
Answer: C
Mathematics
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Find the area enclosed by the given curves.y = - 4sin x, y = sin 2x, 0 ? x ? ?
A. 
B. 4
C. 16
D. 8
Mathematics
Provide an appropriate response.Write 
as an imaginary number.
A. 4i B. -2i C. 2i D. -4i
Mathematics
Solve.The braking distance D in feet required for a car traveling x miles per hour to stop on dry, level pavement can be approximated by D = 
x2. If the braking distance is 84 feet, estimate the speed of the car. If necessary, round to the nearest mile per hour.
A. 30 mph B. 8 mph C. 924 mph D. 9 mph
Mathematics
Find the intersection. x = -3 + 9t, y = -3 + 8t, z = -2 + 9t ; 8x + 9y + 8z = -4
A. 
B. (-12, -11, -11)
C. (6, 5, 7)
D. 
Mathematics