Function, , is used to convert russian rubles in united states dollars, and function, , is used to convert united states dollars into european euros. use composition of functions to find the equivalent value of 2000 russian rubles in european euros. round the product of the decimal numbers in the composite function to the nearest thousandth. a.52 euros b. 90 euros c 895 euros d. 1588 euros

Find all the values of x that make 0.1x + 0.25(102 - x) < 17.10 true.

Sketch the region enclosed by the given curves. decide whether to integrate with respect to x or y. draw a typical approximating rectangle and label its height and width. y= 5x, y=7x^2then find the area s of the region.

According to a study conducted in 2015, 18% of shoppers said that they prefer to buy generic instead of name-brand products. suppose that in a recent sample of 1500 shoppers, 315 stated that they prefer to buy generic instead of name-brand products. at a 5% significance level, can you conclude that the proportion of all shoppers who currently prefer to buy generic instead of name-brand products is higher than .18? use both the p-value and the critical-value approaches.