Abus driver from chicago is offered two types of contracts. the first choice is to get $35,000 a year. the second choice is to receive $10,000 a year plus 25 cents for each mile that she drives. how many miles would she have to drive for the second option to be the better of he two types of contracts?

what operation do you use for this question? ?

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