Fn is a natural number then√n is (a) always a natural number (b)always an irrational number (c)always a rational number(d) sometimes a natural number and sometimes an irrational number

The number of chocolate chips in an 18-ounce bag of chocolate chip cookies is approximately normally distributed with a mean of 1252 chips and standard deviation 129 chips. (a) what is the probability that a randomly selected bag contains between 1100 and 1500 chocolate chips, inclusive? (b) what is the probability that a randomly selected bag contains fewer than 1125 chocolate chips? (c) what proportion of bags contains more than 1225 chocolate chips? (d) what is the percentile rank of a bag that contains 1425 chocolate chips?

Which of the following is the true for f(x) = 5cos

The volume of a sphere is increased by 6%. calculate the corresponding percentage increased in it area.