Dot Products of Vectors
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Find a b if a = 10i + 4j and b = 3i + 4%.
a. (30,16)
c. 46
b. -14
d. (13,8)

Express in the simplest form: (x^2+9x+14/x^2-49) / (3x+6/x^2+x-56)

The mean finish time was 185.52 with a standard deviation of 0.327 minute. the winning car driven by chris finished in 185.13. the previous year race had a mean finish time of 110.3 with a standard deviation of 0.106. the winning car that year driven by karen finished in 110.13 minutes. find their respective z-scores. chris - z-score karen “- z-score

If f(x) = 3x2 - 2x+4 and g(x) = 5x + 6x - 8, find (f-g)(x).