HCF and LCM of (1-x^2)(1-y^2)+4xy,1-2xy+y-x^2y+x^2 ​

Pls will give brainliest and all p.s u can zoom in if u cant see plss

Which type of graph would allow us to compare the median number of teeth for mammals and reptiles easily

Afactory buys 10% of its components from suppliers b and the rest from supplier c. it is known that 6% of the components it buys are faulty. of the components brought from suppliers a,9% are faulty and of the components bought from suppliers b, 3% are faulty. find the percentage of components bought from supplier c that are faulty.