Some students are taking a math contest in which each student takes one of four tests. One third of the students take the first test, one fourth take the second test, one fifth take the third test, and 26 students take the fourth test. How many students
are taking the contest in total?

PLS GIVE EXPLANATION !!!

3. solve by graphing: y = 2x + 6 x + y = -3

Asquare is dilated by a scale factor of 1.25 to create a new square. how does the area of the new square compare with the area of the original square? a)the area of the new square is 1.25 times the area of the original square. b)the area of the new square is 2.50 times the area of the original square. c)the area of the new square is 1.252 times the area of the original square. d)the area of the new square is 1.253 times the area of the original square.

Which system of linear inequalities is represented by the graph? + l tv x-3y > 6 and y > 2x o x + 3y > 6 and y o x-3y > 6 and y> 2x o x + 3y > 6 and y > 2x + 4 la +