an artist is using different colors in a mosaic. the ratio of green to blue to yellow color tiles in the mosaic is 4:6:9. she has 42 blue tiles to use. how many green and yellow tiles does she need

Consider the function represented by the equation 1/2 j + 1/4 k equals 3 which shows the equation written in function notation with j as the independent variable

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Atrain leaves little? rock, arkansas, and travels north at 90 kilometers per hour. another train leaves at the same time and travels south at 80 kilometers per hour. how long will it take before they are 680 kilometers? apart?