What is an equation of rhe line that is perpendicular to -x+2y=4 and passes through the point (-2,1)

Cora bought a package of erasers. there are 4 pink erasers and 12 blue erasers. what is the ratio of pink erasers to blue erasers?

If f(x)= sqrt4x+9+2, which inequality can be used to find the domain of f(x)?

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