Solve the following system by using substitution.

4x+2y=18
y=x+3

The multiplication property of zero states that the product of any number and 0 is 0. what must be true about either a or b to make ab=0

Solve 3x-18=2y and 5x-6y=6 by elimination show work

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?