When the sum of an unknown number z and twenty-two is divided by the same unknown number, the quotient is twelve. what is the unknown number?

In a class, there are 12 girls. if the ratio of boys to girls is 5: 4 how many boys are there in the class

Me! i will mark you brainliest if you are right and show your i don't get polynomials and all the other stuff. multiply and simplify.2x(^2)y(^3)z(^2) · 4xy(^4)x(^2)show your

Answer! if you don’t mind, can you explain