9 of 10 Harry got 42 out of 49 correct in his test.
What fraction of the marks did he get wrong?
Give your answer in its simplest form.

Find the value. a. 0.003 b. 0.03 c. 0.3 d. 3

The roots of the function f(x) = x2 – 2x – 3 are shown. what is the missing number?

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