What is the next to 12 21 23 32 34 43

If f(x) = x+8 and g(x) = 4x- 3, find (f+g)(x)

In order to be invited to tutoring or extension activities a students performance 20 point higher or lower than average for the

Arectangle plot measure 20ft. by 30ft. a 3-ft.-wide sidewalk surrounds it.find the area of the sidewalk.