Stacey rolls two number cubes. what is the probability that the sum of the numbers on the two number cubes is 7?

Hello, i need compare km^2 and km. what's difference in this?

What 620000 divided by 10 to the third power

Two trains leave a station on different tracks. the tracks make an angle of 130°, with the station as a vertex. the first train travels 100 km and makes its first stop at point a, while the second train travels 200 km and makes it first stop at point b. how far apart are the trains when both are at their first stop? round the answer to the nearest integer. a) 65 km b) 139 km c) 224 km d) 275 km