If two women acquaintances meet in Columbia , they would exchange two kisses on the cheek

Ineed with spanish homework. translation of task: 11. fill out with the correct form of estar or hay 12. fill in fill with the verbs hay, estar and ser.

If the pants costs $233 how would you respond to the question ¿cuánto cuestan los pantalones?

Achemist mixes 4 liters of one acid solution with 10 liters of a 40% solution, resulting in a 30% acid solution. what is the value of x, the acid concentration of the first solution