Solve the problem. Leave your answer in polar form.z = 10(cos 30° + i sin 30°)w = 5(cos 10° + i sin 10°)Find zw.
A. 15(cos 300° + i sin 300°)
B. 15(cos 40° + i sin 40°)
C. 50(cos 40° + i sin 40°)
D. 50(cos 300° + i sin 300°)
Answer: C
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Provide an appropriate response.Let G be the sphere x2 + y2 + z2 = 9. Evaluate the integral.
A. 324? B. 648? C. 108? D. 216?
Provide an appropriate response.Use a calculator to find: log 17 Round to thousandths.
Fill in the blank(s) with the appropriate word(s).
Find the area of the figure below. (The area of a rectangle is the product of its length and width. The area of a triangle is 
the product of its base and height.)
A. 
sq. ft
B. 
sq. ft
C. 
sq. ft
D. 
sq. ft
Solve the system of equations using substitution.
A. x = -4, y = -5; x = 5, y = 4 B. x = -4, y = 5; x = -5, y = 4 C. x = 4, y = -5; x = 5, y = -4 D. x = 4, y = 5; x = 5, y = 4