Can you find the value of X & Y? What are the lengths OF each triangle what is the length of the vertical side, horizontal side, and vertical side divided by the horizontal side pls help or I’ll get a bad grade

ABC
CDE
FGH
PLS HELP FIND X AND Y PLS EXPLAIN WELL!!! PLEASEE HELP CAN EXPLAIN HOW YOU GOT YOUR ANSWERS

Simplify 15(x - 4)(x -1)-3(x + 4)(x - 1) with steps

Which of the following statements is true? a. the irrational number system is not closed under multiplication, because the product of two irrational numbers is always a rational number. b. the irrational number system is not closed under multiplication, because the product of two irrational numbers is not always an irrational number. c. the irrational number system is closed under multiplication, because the product of two irrational numbers is always an irrational number. d. the irrational number system is closed under multiplication, because the product of two irrational numbers is always a rational numbers. reset submit

Polynomials plz quick 1: subtract and simplify (–y^2 – 4y – 8) – (–4y^2 – 6y + 3)