I need help with these problems :v

Which of the following is true for the relation f(x)=2x^2+1

At $1.32 million, they closed last month percent above what they paid in 2007." how much did they pay in 2007?

The number of chocolate chips in a bag of chocolate chip cookies is approximately normally distributed with a mean of 12611261 chips and a standard deviation of 118118 chips. (a) determine the 2626th percentile for the number of chocolate chips in a bag. (b) determine the number of chocolate chips in a bag that make up the middle 9696% of bags. (c) what is the interquartile range of the number of chocolate chips in a bag of chocolate chip cookies?