Plot and interpret the appropriate scatter diagram.The table gives the times spent watching TV and the grades of several students. 
Effect of Watching TV on Grades 
A. Effect of Watching TV on Grades
More hours spent watching TV may
increase grades.
B. Effect of Watching TV on Grades
More hours spent watching TV may
reduce grades.
C. Effect of Watching TV on Grades
More hours spent watching TV may
increase grades.
D. Effect of Watching TV on Grades
More hours spent watching TV may
reduce grades.
Answer: D
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A. 
B. 
C. 
D. 
The doctor orders an IV for an infant of 25 mL of fluid. The flow rate is 25 gtt/min using a microdrip set calibrated at 60 ?gtt/mL. Calculate the infusion time for this IV.
A. 1 hr 10 min B. 2 hr C. 0.5 hr D. 1 hr
Rationalize the denominator and simplify.
A. 
B. 
C. 
- 
D. 
Find the sum of the geometric series.6 - 18 + 54 - 162 + 486 - . . . + 6 ? (-3)9
A. -88,565 B. -88,574 C. -88,578 D. -88,572