*30 points easy question*
Find the value of x in the isosceles triangle shown below.
X=10
X=48
X=square root of 80
X=square root of 96

Look at arnold's attempt to solve the equation for b: 3b = 12 b = 3 · 12 b = 36 describe the mistake that arnold made.

Ijust need these 2 questions answered (the second pic is just confirmation i'm not confident in that answer)

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