Which expression converts 100 inches per min to feet per minute

Add the two expressions 3.8b - 7 and 2.9b + 9 enter your answer in simplified form

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.

Marco states that 7.696696669…… is a rational number because it is a repeating decimal. is he correct? justify your answer.