Solve for the specified variable. Assume that all other variables are nonzero.x2 - 9cx - 36c2 = 0; for x
A. x = ± 
B. x = -3c, 12c
C. x = 3c, -12c
D. x = ± 
Answer: B
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How long does it take the object to reach the ground?
A. 7.57 seconds B. 8.35 seconds C. 14.67 seconds D. 19.35 seconds
Make the conversion indicated. Round your result to the nearest tenth.5°F = 
°C
A. 41.0 B. -15.0 C. 23.0 D. 29.2
Use the RSTC Approach to solve the application.By switching service providers, a family's telephone bill decreased from about $50 a month to about $44. What was the percent of decrease?
A. 13% B. 13.6% C. 12% D. 6%
Use a determinant and the given vertices of a triangle to find the area of the triangle. ? (0, -3), (-3, 3), (4, 4) ?
A. 
B. 
C. 
D. 
E. 45