Read the following description of a relationship: A columnist had already published 42 articles before joining a newspaper. Since
then, he has published 12 more articles every month.
Let m represent the number of months since joining the newspaper and a
represent the total number of articles he has published.
Find the value of a when m = 4.
a =

Mary spent a total of $323.14 for a party.she spent a total of $200.22 on food,plus an additional $30.73 for each hour of the party.how long was the party?

1. there are 25 students who started computer programming in elementary school and 25 students who started computer programming in middle school. the first group had a mean final project grade of 95% and the second group had a mean final project grade of 92%. the line plot shows the differences after 10 rerandomizations. determine whether the difference in the means of the two groups is significant based on the line plot. explain your answer.

Which inequality has a dashed boundary line when graphed ?