Multiply. Then simplify if possible. Assume that all variables represent positive values.
A. 6m
B. 36m
C. 36m
D. 6m
Answer: A
Mathematics
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Write the number in trigonometric form. Let 0° ? ? < 360°.5 + 5i
A. 5
(cos 45° + i sin 45°)
B. 5
(cos 225° + i sin 225°)
C. 5
(cos 135° + i sin 135°)
D. 5
(cos 315° + i sin 315°)
Mathematics
Find the center (h, k) and radius r of the circle. Graph the circle.x2 + y2 + 6x + 4y - 12 = 0 
A. (h, k) = (3, 2); r = 5
B. (h, k) = (3, -2); r = 5
C. (h, k) = (-3, 2); r = 5
D. (h, k) = (-3, -2); r = 5
Mathematics
Use the given conditions to write an equation for the line in slope-intercept form.Slope = 
, y-intercept = 2
A. f(x) = 
x - 2
B. f(x) = 
x + 
C. f(x) = - 
x - 2
D. f(x) = 
x + 2
Mathematics
Find the phase shift.y = -2 cos
A. 
units to the left
B. ? units to the left
C. 
units to the right
D. 2? units to the right
Mathematics