A photo of you and your friend at the local Amusement park has a length of 5 1/3 inches and a width of 3 1/4  inches find the area in square inches of the photo of you your friends

1/3(x-10)=-4 solve for x with steps

On a piece of paper graph f(x)=5•(0.4)^x

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 : )