Choose the correct past participle for the spanish verb salir

You a) you do not need the belt. he b) mr. robinson, needs to sing in music class. you c) you need to study in science class. i d) i do not need a uniform at my school.

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

Sandra is cooking her famous brownies for her class for her recipe she needs 5/7 of a cup of sugar and 1/8 as much salt as sugar how much salt does she need for recipes