Ellen is shopping for boxes witch attribute should she use to determine the amount the box will hold

Solve for x i'll try to attach the files bc it's not letting me for some reason

Karen is financing $291,875 to purchase a house. she obtained a 15/5 balloon mortgage at 5.35%. what will her balloon payment be? a. $220,089.34 b. $219,112.46 c. $246,181.39 d. $230,834.98

Ammonia molecules have three hydrogen atoms and one nitrogen atom. how many of each atom arein five molecules of ammonia