PLEASE HELP! SPANISH 2 preterite vs imperfect

Choose the correct form of the imperfect for each given subject. nosotros /escribir a. escribía b. escribias c. escribiamos d. escribían franco/comer a. comías b. comían c. comia d. comiamos yo/cantar a. cantata b. cantabas c. cantabamos d. cantaban

Sheila conducts an investigation to see how the amount of salt dissolved in water affects the density of the water whichstatement best describes the correct plan for her procedure? the density and the amount of water are controls, and the amount of salt and the type of salt are variablesthe amount of water and the amount of salt are controls, and the type of salt and the density are variablesthe type of salt and the amount of water are controls, and the amount of salt and the density are variablesthe type of salt and the density of water are controls, and the amount of salt and the amount of water are variableso

Mary just sent out invitations to her wedding last week the invitations were so heavy that she put more than just one stamp on each envelope she used 255 stamps and mailed out 85 invitations and see you as an equal amount of stamps on each envelope