Solve the problem.The following data represents the Olympic winning time in Women's 100 m Freestyle. 
Find the slope of the line of best fit for the data set and interpret it.
What will be an ideal response?
The slope is about -0.12616 which means that the winning time is decreasing by 0.12616 of a second each year.
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Solve the problem.A computer printer allows for optional settings with a panel of four on-off switches in a row. How many different settings can be selected if no three adjacent switches can all be off?
A. 12 B. 14 C. 10 D. 13
Solve the problem.Jared's car normally gets fuel mileage of 
but on a recent trip a headwind reduced his mileage by 17%. What was his car's mileage on that recent trip?
A. 61 mpg B. 44 mpg C. 7.5 mpg D. 36.5 mpg
Use a graphing calculator to solve the equation. Round your answer to two decimal places.ex = x5
A. {-0.71} B. {2.54} C. {1.30} D. {-0.79}
Solve the following quadratic equation using the quadratic formula. Find the exact answer. If there are no real solutions, so state.2x2 + 2x + 8 = 0
A. no real solution
B. x = 3 or x = 2
C. x = 
D. x = 
or x = 