If x =2 y =3 find the value of x^2-xy^2+y^2​

1. are the triangles similar and if so why? what is the value of x? show your work.

The sum of two numbers is 12 and their difference is 18 what are the two numbers

Acontainer holds 0.7 liters of oil and vinegar. 3/4 of the mixture is vinegar. how many liters of oil are in the container? express your answer as both a fraction and a decimal.