Evaluate ∫ x cos 3x dx. a. 1/3 x sin 3x + 1/9 cos 3x + c b. 1/3 x sin 3x - 1/3 sin 3x + c c. 1/2 x2 + 1/18 sin2 3x + c d. 1/6 x2 sin 3x + c

One-third of the people from country a claim that they are from country b, and the rest admit they are from country a. one-fourth of the people from country claim that they are from country a, and the rest admit they are from country b. in a combined census of the two countries, one-half of the total claimed to be from a. what is the ratio of the populations of country a to that of country b.

Which of the following lines is parallel to x=4? a- 3y=9 b- y=4 c- x=2 d- x=y answer this as soon as possible xoxo lo ; )

Which of the choices shown could be used to prove that aacp=abcp ?