On Monday, Avi walked from his home to the school track and

ran 4 laps around the track for a total of 3.5 miles. On

Saturday, Avi walked from his home to the school track, ran 2

laps, and then walked home, for a total of 4 miles. Let x

represent the distance from Avi's home to the school track,

and let y represent the distance of one lap around the track.

Solve the system of equations using the substitution method. {y=−3x+7x=−2y−16 enter your answers in the boxes.

Jaxon has s packs of 8 crazy straws. he divided the crazy straws into 2 equal bags. now, he has 224 crazy straws in each bag. how many packs of crazy straws did jaxon start with?

Now, martin can reasonably guess that the standard deviation for the entire population of people at the mall during the time of the survey is $1.50. what is the 95% confidence interval about the sample mean? interpret what this means in the context of the situation where 95 people were surveyed and the sample mean is $8. use the information in this resource to construct the confidence interval.