I need help have a bunch of missing assignments

Measures of the angle of r, 31 s (x+4) t (3x+9)

Joe has some money in his bank account he deposits 45$ write an expression that represents the amount of money in joe's account

Katie wants to collect over 100 seashells. she already has 34 seashells in her collection. each day, she finds 12 more seashells on the beach. katie can use fractions of days to find seashells. write an inequality to determine the number of days, dd, it will take katie to collect over 100 seashells.