The number of students in four sixth-grade classes at north side school are 26,19,34 and 21 use properties to find the total number of students in the four classes

George is 187 cm tall. his son, ralph, is 142 cm tall. who casts the longer shadow. george when the sun is 65° above the horizon, or ralph when the sun is 56° above the horizon? how much longer? (nearest centimeter)

Ahigh school has 3636 players on the football team. the summary of the players' weights is given in the box plot. approximately, what is the percentage of players weighing less than or equal to 225225 pounds?

In a class, there are 12 girls. if the ratio of boys to girls is 5: 4 how many boys are there in the class