Which statements about the diagram are true? check all that apply.

x = 63
y = 47
z = 117
y + z = 180
x + z = 180

Write the system of equations represented by the matrix. 0 1 2 4 -2 3 6 9 1 0 1 3

Write the following as a base and exponent

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?