Claudia compro 1/2 libra queso y 2 libras de mantequilla por L.75. si la mantequilla costo L.30 la libra, ¿Cuántos lempiras pago por 1/2 libra de queso? ayúdenme por favor <3

2x minus y equals 6, x plus y equals negative 3

Percy rides his bike 11.2 miles in 1.4 hours at a constant rate. write an equation to represent the proportional relationship between the number of hours percy rides, x,and the distance in miles, y, that he travels.

Quickly multiply and simplify polynomials (x – 4) (x^2 – 5x – 6)