I need help please

Fill the blank with a la, a los, a las, or al. los alumnos .

Which verb form correctly completes this sentence? anteayer, yo un retrato de mi mamá. a. pintó b. pinté c. pintaste d. pintaron

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