What is the length of the miss leg ? 39m and 36m

If ac = 12 and ab=7 is it possible that bc =10

Factor the expression using the gcf. the expression 21m−49n factored using the gcf

Alina fully simplifies this polynomial and then writes it in standard form. xy2 – 2x2y + 3y3 – 6x2y + 4xy2 if alina wrote the last term as 3y3, which must be the first term of her polynomial in standard form? xy2 5xy2 –8x2y –2x2y