Ms. hartman's class is going on a field trip to the planetarium. there are 25 students in the class, and each student needs to purchase a day pass to the planetarium and a lunch ticket. the day pass costs $10, and the lunch ticket costs t dollars.
pick all the expressions that represent the total cost for the field trip.

250+10t

t(25+10)

250+25t

25(10+t)

Anew obstacle course is home to several new types of challenging obstacles. one such obstacle is traversing a 15-stair staircase. to make it more challenging, the stairs are not uniformly spaced. rather, the vertical space between consecutive stairs for the first 10 stairs is 113 feet and the vertical space for the last 5 stairs is 134 feet. what is the total vertical distance traveled ascending and descending the entire 15-stair staircase?