PLEaS hElp dies Write a two-column proof for the following information. Upload your proof below.

Given: M is the midpoint of CD; MD = 3
Prove: CM = 3

(if f(x)=4x^2 and g(x)=x+1, find (f o g)(x)

Marla bought a book for $12.95, a binder for $3.49, and a backpack for $44.99. the sales tax rate is 6%. find the amount of tax and the total she paid for these items

Quadrilateral abcd in the figure below represents a scaled-down model of a walkway around a historic site. quadrilateral efgh represents the actual walkway. abcd is similar to efgh. what is the total length, in feet of the actual walkway?