Solve the equation 1 + 5x - 10 = 7x - 9 - 2x

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?

In a sale there is 25% of all prices a chair costs £45 in sale how much was it before the sale

If wxyz is a square, which statements must be true?