12 students in a homeroom wearing a school t-shirt these students make up 60% of the class how many students are in the class?

Pelle's sister is three years older than pelle the father is 5 times as old as pelle the mother was 28 when the sister was born altogether they are 98 years old how old is pelle?

Each of the four sides of a swimming pool measures 9 meters. the pool is 5 meters deep. how much water will be needed to fill it completely? a. 45 cubic meters b. 81 cubic meters c. 225 cubic meters d. 405 cubic meters reset next

Which graph represents the solution set for the given system of inequalities? x+2y< 3 x+y> 4 3x-2y> 4