How many arrangements of the letters in the word trance are there if the vowels must always be together?

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.

When is g(x) = 0 for the function g(x) = 5.23x + 4?

You work in a hospital that has 9 floors. you need to see 3 patients on each floor. how many patients do you need to see in all?