Please help im confused on how to do this. In circle O, central angle has a measure of 48. Find the measure of arc BC, Include all your work. ​

The parabola y = x² - 4 opens: a.) up b.) down c.) right d.) left

Which inequality comparing two of the expressions is true when 0.7 < x < 0.9

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?