Christina collects stamps. she has 47 stamps in all. she has 20 stamps from europe. the number of african stamps is 2 times the number of asian stamps. how many stamps from each of these three continents does she have? use reasoning to write this as a numerical expression.

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A.s.a.! similarity in right triangles, refer to the figure to complete this proportionc/a = a/? a.) cb.) hc.) rd.) s

City l has a temperature of −3 °f. city m has a temperature of −7 °f. use the number line shown to answer the questions: number line from negative 8 to positive 8 in increments of 1 is shown. part a: write an inequality to compare the temperatures of the two cities. (3 points) part b: explain what the inequality means in relation to the positions of these numbers on the number line. (4 points) part c: use the number line to explain which city is warmer. (3 points)