Please help will mark brainliest if correct

Find the third,fifth and seventh term sequence described by each rule a(n)=n+1

What is the value of x in the following equation? -3x-2=2x+8

Miss henderson wants to build a fence around a rectangular garden in her backyard in the scale drawing the perimeter of the garden is 14 in of the actual length of a b is 20 ft how many feet of fencing what you need