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)

If you answer right ill give brainliest, : )

Sam claims that cos x =sin y if x and y are congruent angels. is sam correct ?

Galen sold tickets of his church’s carnival for a total of $2,820. children’s tickets cost $3 each and adult tickets cost $5 each. the number of children’s tickets sold was 30 more than 3 times the number of adult tickets slod. how many children’s ticket and how many adult tickets did he sell?