A class of 25 students share a set of 100 markers. Which statement is true?

For every 5 students, there is 1 marker.

For each student, there are 5 markers.

For every 4 students, there is 1 marker.

For each student, there are 4 markers.

If 1/√5+1/√5+1=p+q√r , find the values of p, q and r

[15 points, algebra 2]simplify the complex fraction and find the restrictions.

How do i start to solve? would appreciate a walk-thru! a bird sitting 16ft above the ground in an apple tree dislodges an apple. after how many seconds does the apple land on the ground? (assuming that no branches will interfere with it's fall)