Tiffany took her friends out to dinner. If the dinner
was $29.53 and she gave a 20% tip, how much
money did she spend on dinner?
$5.91
B. $29.73
$35.44
D. $49.53

Factor the polynomial 4x4 – 20x2 – 3x2 + 15 by grouping. what is the resulting expression? (4x2 + 3)(x2 – 5) (4x2 – 3)(x2 – 5) (4x2 – 5)(x2 + 3) (4x2 + 5)(x2 – 3)

Jordan got 27 out of 90 correct on his test . what fraction of the marks did her get correct

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