At contractor charges $1,200 for 100 square feet of roofing installed. At this rate how much does it cost to have 1,100 square feet installed

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

Describe the symmetry of the figure. identify lines of symmetry, if any. find the angle and the order of any rotational symmetry.

This is a map of the mars exploration rover opportunity predicted landing site on mars. the scale is 1cm : 9.4km. what are the approximate measures of the actual length and width of the ellipse? i mostly need to know how to set it up : )