What is the degree and classification of this polynomial (2x2yz + 7xy)? If you could explain how you got the answer that would help me.
Thank you.

Which composition of similarity transformations maps polygon abcd to polygon a'b'c'd'? a dilation with a scale factor less than 1 and then a reflection a dilation with a scale factor less than 1 and then a translation a dilation with a scale factor greater than 1 and then a reflection a dilation with a scale factor greater than 1 and then a translation

The sum of two numbers is 86, and their difference is 20. find the two numbers

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