A hawker gains the selling price of 4 ball-point pens on selling 1 dozen pens. What is his gain percentage?​

Akitchen floor is made up of tiles that are in the shape of the triangle shown there are 40 tiles on the kitchen floor what is the total area of the floor

Graph y = -|x| + 2. click on the graph until the correct one appears.

60 musicians applied for a job at a music school. 14 of the musicians play both guitar and drums. what is the probability that the applicant who gets the job plays drums or guitar?