Find a formula for the nth term of the arithmetic sequence the first term is -2 and the common difference is 8

Which of those sequences is a geometric sequence

Miguel’s teacher asks him to color 4/8 of his grid. he must use 3 colors: red, blue, and green. there must be more green sections than red sections. how can miguel color all the sections of his grid to follow all the rules

What is the ratio of the length of an object in yards to the length of the same object in miles?