Abag contains 42 red,45 green, 20 yellow, and 32 purple candies. you pick one candy at random. find the probability that it is purple.

0.23 (rounded)

Step-by-step explanation:

32 out of a total of 42+45+20+32 is 32 / 139 ≈ 0.23

step-by-step explanation:

one of the most important purposes of surface treatment is to alter surface properties according to the requirement of specific applications. for example, hydrophobic coating has been utilized on windshield and eyeglasses. gold atom monolayer on substrate has become a popular surface bioconjugation strategy.  

the arc length is found by finding the circumference of the full circle (2xpixradius) and then dividing by 4 to find just one quarter of the circle (90 degrees).