What’s -3 + 6k + 11k - 10
-9y + 5x -y -13x
an -5x + 6x - 9x + 5xy ? (combining like terms)

Two sides of a triangle mesure 20cm and 30cm. what is the measure of the third side

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 : )

Three people are traveling and need to exchange the currency of their native country for the currency of the country they are visiting. drag each exchange to the category that shows the ratio of currencies in that exchange.