Please help me. I'm not trying to guilt-trip or anything but I suck at school and my questions haven't been answered or people just forget that there are multiple photos. I hope someone will help me. I only have 10 points :l I know the links are scams

How do you solving the solution of each system using elimination?

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?

The angles in a triangle are represented by 5x, 8x, and 2x+9. what is the value of ? a.10.8 b.11.4 c.9.7 d.7.2