What integer can be represented by 22 positive tiles and 21 negative tiles

What is the ratio for the surface areas of rectangle prisims shown below given that they are similar and that the ratio of their edge lengths is 7: 3

What set does not contain -3 the set of all real numbers the set of all integers the set of all whole numbers the set of all rational numbers

According to the data set, where should the upper quartile line of the box plot be placed?