Water is falling on a surface, wetting a circular area that is expanding at a rate of 7 mm²/s. how fast is the radius of the wetted area expanding when the radius is 175 mm? (round approximations to four decimalplaces.)

Translate the word phrase into a math expression. 15 fewer than the product of 4 and a number. (pls immediately)

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?

Jose is going to use a random number generator 500500 times. each time he uses it, he will get a 1, 2, 3,1,2,3, or 44.