Ryan, a consumer electronics​ salesperson, earns a base salary of ​$1100 per month and a commission of 8​% on the amount of sales he makes. One month Ryan received a $1492 paycheck. Find the amount of his sales for the month.

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 : )