Work out the value of (1.7 x 10^4) x (8.5 x 10^-2) give answer in standard form

At school there are 526 students and 263 are girls about how likely is it that a randomly chosen student will be a boy

Sarah took the advertising department from her company on a round trip to meet with a potential client. including sarah a total of 11 people took the trip. she was able to purchase coach tickets for $280 and first class tickets for $1280. she used her total budget for airfare for the trip, which was $6080. how many first class tickets did she buy? how many coach tickets did she buy?

Tom travels between the two mile markers shown and then finds his average speed in miles per hour. select the three equations that represent this situation.