40 boys in a group. 19 boys play basketball.
27 boys play cricket.
How many boys play both basketball and cricket?​

I’m still confused on how to work the percentages

Aweekly newspaper charges $72 for each inch in length and one column width. what is the cost of an ad that runs 2 column inches long and 2 columns wide? its not 288

Multiply and simplify. 2x^2 y^3 z^2 · 4xy^4 x^2 i will mark you brainliest if right. show how you got the answer, !