How much do all the pencils inside 124 boxes cost (in $), if inside each box there are 6 pencils and 33 pencils cost $8.99. round to the nearest cent

The triangles are similar. what is the value of x? show your work.

When i add money am i supposed to make it like this 7+12 or 7.00+12.00 because i got 19 dollars for my answer

The random variable x represents the number of phone calls an author receives in a day, and it has a poisson distribution with a mean of 8.7 calls. what are the possible values of x