Solve the system of equations by the addition method.
A. no solution
B. (8, 6)
C. infinite number of solutions
D. (3, -2)
Answer: A
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Solve the problem.The height of a vase is 5 inches. The table shows the circumference of the vase (in inches) at half-inch intervals starting from the top down. Estimate the volume of the vase by using the Trapezoidal rule with n = 10. Round your answer to the nearest thousandth. [Hint: you will first need to find the areas of the cross-sections that correspond to the given circumferences.] Circumferences 
A. 105.479 in.3 B. 101.552 in.3 C. 62.876 in.3 D. 61.856 in.3
Write the conjugate 
of the complex number z. Then find z
.z = 5 + 6i
A. 
= 5 - 6i, z
= -11
B. 
= 5 - 6i, z
= 25 - 36i
C. 
= 5 - 6i, z
= 61
D. 
= 5 - 6i, z
= 25 - 36i2
Decide whether the pair of lines is parallel, perpendicular, or neither.3x - 4y = 6 16x + 8y = 6
A. parallel B. perpendicular C. neither
Provide an appropriate response.Hillcrest Medical Center has a severe shortage of nurses. The hospital decided to give a hiring bonus of 25% of the annual average salary. The average salary for nurses was $34,000. The hiring bonus was $8,500.
A. True B. False