What is the value of the expression?

75 ÷ 5 - [(9 - 7) x 3] x 2

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 : )

Write the equations in logarithmic form 10^3=1,000

If you measured the width of a window in inches and then in feet with measurement would you have the greater number of units