Solve the problem.Persons taking a 30-hour review course to prepare for a standardized exam average a score of 620 on that exam. Persons taking a 70-hour review course average a score of 786. Find a linear equation which fits this data, and use this equation to predict an average score for persons taking a 41-hour review course. Round your answer to the tenths place.
A. 669.9
B. 679.7
C. 665.7
D. 658.4
Answer: C
Mathematics
You might also like to view...
Determine whether the following is a statement. If it is, then also classify the statement as true or false.7x + y = 3
A. False statement B. Not a statement C. True statement
Mathematics
Solve.A cube has a surface area of 6x2 + 108x + 486. Find the length of a side.
A. x - 9 B. x + 9 C. x + 54 D. 6(x + 9)
Mathematics
Translate to a proportion and solve. When necessary, round to the nearest hundredth.What is 89% of 243?
A. 21.63 B. 2162.7 C. 21,627 D. 216.27
Mathematics
Perform the indicated operation and simplify.
- 
A. 0
B. 
C. 8y
D. 
Mathematics