A computer that cost $1099 last year cost $999. What is the percent of change in price rounded to the nearest tenth?

The sales totals at macy's food store have increased exponentially over the months. which of these best shows the sales in the first three months?

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 : )

The coordinates of vortex a’ are (8,4) (-4,2) (4,-,4) the coordinates of vortex b’ are (6,6)(12,-,12)(12,12) the coordinates of vortex c’ are(-2,,12)(4,12)(12,-4)