2865 students participated in a competitive exam. There were 60 rooms in the university. Equal number of students were placed in each room. How many students
were not seated in any one of the rooms?

In triangle △abc, ∠abc=90°, bh is an altitude. find the missing lengths. ah=4 and hc=1, find bh.

What is the sum of 25x + 15y and (-18x - 6y)

Travis has decided to budget his spending money. he can spend no more than $143.15 every month. he has also decided to spend 5.2 times as much money on video games as he spends on the movies. what linear inequality describes this problem