The average speeds of the winners of the Daytona 500 from 1999 to 2004 are listed below. What is the mean of the given speeds, rounded to the nearest tenth?
Year | Average Speed
1999 | 161.6 mi/h
2000 | 155.9 mi/h
2001 | 161.7 mi/h
2002 | 142.0 mi/h
2003 | 133.9 mi/h
2004 | 156.3 mi/h

A. 158.6 mi/h
B. 153.4 mi/h
C. 156.1 mi/h
D. 151.9 mi/h

Mr. walker gave his class the function f(x) = (x + 3)(x + 5). four students made a claim about the function. each student’s claim is below. jeremiah: the y-intercept is at (15, 0). lindsay: the x-intercepts are at (–3, 0) and (5, 0). stephen: the vertex is at (–4, –1). alexis: the midpoint between the x-intercepts is at (4, 0). which student’s claim about the function is correct?

Anyone know? will mark brainliest if correct!

Nikolas calculated the volume of the prism. his work is shown below.