Question

What is the common difference between the elements of the arithmetic sequence below?
–18, –22.5, –27, –31.5, –36

Answer 1

it would be -4.5.
you can get that substracting each element from the next one.
-22.5-(-18)=-22.5+18=-4.5

Answer 2

ty

Answer 3

:)

Answer 4

can you help me with another one? you don't mind