You can drive 400 miles on a 16 gallon of gasoline what is the unit rate per miles per gallon​

Solve the equation - 2(m -30) = -6m a-15 b-13 c-8 d8

See attachment below and find the equivalent of tan(∠qsr)

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 : )