An investor has an account with stock from two different companies. Last year his stock in company A was worth $3700 in stock in Company B was worth $3600 stock in company A has decreased 20% since last year in the stock in Company B has decreased 7%. What was the total percent decrease in the investor stock account? Round your answer to the nearest tenth if necessary

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