Determine whether the vectors 
and 
are equivalent.A(9, 9), B(11, 17), C(9, 4), and D(11, 12)
A. Equivalent
B. Not equivalent
Answer: A
Mathematics
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Find the limit, if it exists.
A. Does not exist
B. - 
C. 0
D. - 
Mathematics
Find z1z2. Write the answer in polar form with the argument between 0° and 360°.z1 = 5(cos 35° + i sin 35°), z2 = 2(cos 40° + i sin 40°)
A. 10(cos 75° + i sin 75°) B. 10(cos 50.9° + i sin 50.9°) C. 7(cos 75° + i sin 75°) D. 7(cos 50.9° + i sin 50.9°)
Mathematics
Find the number or numbers.If -2 is added to a number and the sum is doubled, the result is 12 less than the number. Find the number.
A. -8 B. 14 C. 16 D. -16
Mathematics
Solve the problem.Each gallon of shingle stain covers 120 square feet. How many gallons are needed to cover 840 square feet?
A. 8 gallons B. 5 gallons C. 7 gallons D. 6 gallons
Mathematics