A camp needs 100 students to help with 4-year-old campers. Eight students from 4 different classes have agreed to help. How many more students are there needed?

Given ab and cb are tangents of p, and m =10°. what is the measure of abp?

What is the radical expression that is equivalent to the expression 27 1 over 5?

White shapes and black shapes are used in a game. some of the shapes are circles. while the rest are squares. the ratio of the number of white shapes to the number of black shapes is 5: 11. the ratio of the number of white cicrles to the number of white squares is 3: 7. the ratio of the number of black circles to the number of black squres is 3: 8. work out what fraction of all the shapes are circles.