Given that £1=$1..62 what is $405 in pounds

Average acceleration: i have no idea how to do this.

If p(a) = 0.70 and p(b) = 0.20, then a and b are independent events if

Identify the function that contains the data in the following table: x     -2         0         2         3         5     f(x)     5         3         1         2         4     possible answers: f(x) = |x| + 1 f(x) = |x - 2| f(x) = |x - 2| - 1 f(x) = |x - 2| + 1