Solve.Margaret earns $13.04 per hour at her job. She worked 15 hours last week. Calculate Margaret's pay before taxes.
A. $193.77
B. $193.50
C. $195.60
D. $195.46
Answer: C
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Provide an appropriate response.In solving a system of three equations in three variables, the final step yields the following equation: 
How many solutions does this system have? Explain geometrically.
What will be an ideal response?
The parametric equations of four curves are given. Graph each of them, indicating the orientation.C1: x = 7sin t, y = 7 - 7cos2 t; 
? t ? 
C2: x = ln t, y = ln t2; e-4 ? t ? e3C3: x = t2 - 8, y = t - 3; -4 ? t ? 4C4: x = t - 5, y = t + 2; -4 ? t ? 7
What will be an ideal response?
Multiply.0.06
A. 0.054 B. 0.0054 C. 0.54 D. 5.4
Solve for the requested variable.y varies jointly as a and b and inversely as the square root of c, and y = 120 when a = 8, b = 5, and 
. Find y when a = 2, b = 10, and c = 25.
A. y =900 B. y =36 C. y =7.2 D. y =4