Graph the set of points which model is most appropriate for the set

What is the common difference in the following arithmetic sequence 7,3,-1,-5

Match each equation with the operation you can use to solve for the variable. 1 subtract 10 2 divide by 10 3add 18 4add 10 5 subtact 18 6multiply by 5. 7multiply by 10. a 5 = 10p b p + 10 = 18 c p + 18 = 5 d 5p = 10

Can someone check if i did this right since i really want to make sure it’s correct. if you do you so much