Find the given power. Write the answer in standard form.
4
A. 128 
+ 128 i
B. 128 + 128 i 
C. 256i
D. 128 + 128 i
Answer: B
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Find an equation of variation in which y varies inversely as x and the following is true.y = 34, when x = 22
A. y = 
B. y = 
C. y = 1.55x
D. y = 748x
Solve.An experimental drug costs $11,000 per liter. How much would one milliliter cost?
A. $110 B. $1100 C. $1.10 D. $11
The augmented matrix of a system of equations has been transformed to an equivalent matrix in row-echelon form. If the system is consistent, then give the solution. If it is not, then state that it is inconsistent.
A. (5 + 6z, -3 - 2z, z) B. (5 - 6z, -3 + 2z, z) C. (5, -3, z) D. (5 - z, -3 + z, z)
Use a graphing calculator to solve the system of equations. Round your solutions to one decimal place.2.7x + 1.2y + 3.6z = 1.53.4x - 7.0y + 0.0z = -2.93.4x + 0.9y - 3.0z = -0.7
A. {(0.0, 0.2, 0.2)} B. {(0.0, 0.4, 0.3)} C. {(0.0, 0.1, 0.1)} D. {(0.0, 0.3, 0.2)}