The median weekly earnings for American workers in 1990 was $412 and in 1999 it was $556. Calculate the average rate of change between 1990 and 1999

Use the distributive law to multiply. 3(4x + 5y + 6)

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 : )

Which statement shows that 6.24 is a rational number? a. 6.24 = 6.242424 b. 6.24 = 6.24 c. 6.24 = 68⁄33 d. 6.24 = 66⁄25