In an international track competition, there are five united states athletes, four russian athletes, three french athletes, and one german athlete. how many rankings of the 13 athletes are there when 1. only one nationality is counted?

2. only nationality is counted and all the U. S athletes finish ahead of all the Russian athletes

One-third of the people from country a claim that they are from country b, and the rest admit they are from country a. one-fourth of the people from country claim that they are from country a, and the rest admit they are from country b. in a combined census of the two countries, one-half of the total claimed to be from a. what is the ratio of the populations of country a to that of country b.

Anna is constructing a line segment that is congruent to another segment ab. for the construction, which tool should be used to mesure segment ab

Which ratios are equivalent to 10: 16? check all that apply. 30 to 48 25: 35 8: 32 5 to 15