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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Simplify the exponential expression.x-9 ? x7
A. - 
B. -x2
C. 
D. x2
Provide an appropriate response.Can the following be simplified to an expression involving a single radical?x
- 
A. No B. Yes
Provide an appropriate response.Fill in the blanks to complete the statement. The graph of P(x) = -0.3(x - 10)2 - 5 is a parabola opening 
and is 
than that of y = x2.
A. up; narrower B. up; wider C. down; narrower D. down; wider
Use the barycentric coordinates with respect to S to determine if the point p is inside, outside, on a face, or on the edge of conv S which is a tetrahedron.S = {v1, v2, v3, v4,}Barycentric coordinates: 
A. Edge B. Outside C. Inside D. Face