Arianna used a number line to add. she started counting at 5, and then she counted
until she was on the number -9 on the number line.
if arianna modeled addition, what number did she add to 5?

Jabari is power washing houses for a summer job. for every job, he charges an initial fee plus $30 for each hour of work. his total fee for a 4 -hour job, for instance, is $170 . jabari's total fee, f, for a single job is a function of the number, t, of hours it takes him to complete the job. write the function's formula.

George has seven boxes of five pencils. giulio three boxes of eight pencils. one of the boys arranges all his pencils equally into two groups. was this george or giulio how many are in each group explain

Inez has a phone card. the graph shows the number of minutes that remain on her phone card a certain number of days.