Match the verbal expression with its algebraic expression. Y- 4
Four less than an unknown value, four more than some number, four times an unknown value, quotient of a variable and four, or some number to the power of four

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?

Can some one explain this i got sent this. is this a threat i’m scared

Find the dimensions of the circle. area = 64π in.² r= in.