Factor out the greatest common factor.xz-xy
A. x(z + y)
B. x(z - y)
C. xz(-xy)
D. x
Answer: B
Mathematics
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Evaluate the integral.
A. 
sin 2x + 
sin 16x + C
B. 
sin 2x - 
sin 16x + C
C. 
cos 2x + 
cos 16x + C
D. 
sin9x + 
sin 7x + C
Mathematics
Simplify the complex number to its rectangular form.
2 + j4
A. -6 B. 1 - 7j C. 1 + 7j D. -8
Mathematics
Solve the problem.A 5-foot tree casts a 13-foot shadow and creates a right triangle, as shown. At the same time, a nearby building casts a 130-foot shadow, creating a similar right triangle. What is the height of the building?
A. 50 ft B. 70 ft C. 338 ft D. 26 ft
Mathematics
Solve the problem.A coin is weighted so that heads is 12 times as likely as tails to occur. What probability should be assigned to heads? to tails?
What will be an ideal response?
Mathematics