Need answer fast

one year after a tree is planted, the tree is 3.5 ft tall. each year, the tree grows 1.5 ft. what function, written in sequence notation, models the height of the tree n years after it is planted?

a. an=3.5n+1.5

b an=1.5n+3.5

c. an=1.5n+2

d. an=5n+1.5

You will get 25 points an image of a rectangular prism is shown below: part a: a cross section of the prism is cut with a plane parallel to the base. what is the name of the shape created by the cross section? explain your answer. (5 points) part b: if a cross section of the prism is cut perpendicular to the base, what would be the shape of the resulting cross section? explain your answer. (5 points)

Solve the inequality, then identify the graph of the solution. 2x – 1 > x + 2

3× __ -2=15 7 2× __+1=7 5 7× =22 15 5× __+10=2 8 × __+4=20 6 × =10 3 × __+2=8 6 × __+8=8 9 × __+7=20 6