Elena earned a pen from her teachers pen box. In the box are 4 red pens, 8 purple pens, 2 pink pens, and 5 blue pens. If the teacher reaches into the box and randomly pulls out a pen for Elena, what is the probability that Elena will receive a blue pen?

Pls! does anybody know a shortcut for answering these types of questions in the future?

In angle pqr find the measure of

Gexpressions: practice question 3 of 5 jackson wants to study the popularity of his music video by tracking the number of views the video gets on his website. the expression below represents the total number of views that jackson's video receives n days after he begins tracking the nu views, where b is the rate at which the number of views changes. alb)" select the statement that would accurately describe the effect of tripling a, the initial number of views before jackson beginst the rate at which the number of views changes, b, will triple. the total number of views the video has after n days, a(b)", will not change. the total number of days since jackson begins tracking views, n, will be reduced by one-third. the total number of views the video has after n days, alb)", will triple. submit