Find the rational number equivalent to 0.490 with 90 repeating?

Find the number of positive three-digit even integers whose digits are among 9, 8, 7,5, 3, and 1.

In a graph with several intervals o data how does a constant interval appear? what type of scenario produces a constant interval?

Astore has clearance items that have been marked down by 60%. they are having a sale, advertising an additional 55% off clearance items. what percent of the original price do you end up paying?