On october 17, 2006, in an article called “us population reaches 300 million,” the bbc reported that the us gains 1 person every 11 seconds. if f(t) is the us population in millions t years after october 17, 2006, find f(0) and f′(0)

What expression is equivalent to 42x-56y

Write each of the following numerals in base 10. for base twelve, t and e represent the face values ten and eleven, respectively. 114 base 5 89t base 12

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?