Which of the following would have NO association if plotted on a scatterplot? O A. Number of books read and reading scores
O B. Number of toys and calories eaten in a day
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C. Person's weight and calories eaten in a day
D. Length of hair and amount of shampoo used

If sin θ=24/25 and 0 less than or equal to θ less than or equal to π/2, find the exact value of tan 2θ. answers; a) -527/336 b) -336/527 c)7/24 d) 24/7

Show your workcan a right triangle have this sides? *how to prove it without using the pythagorean theorema*

The position of a moving particle is given by the position function: f(t)=-9t-t^2-0.2t^3+0.1t^4 0 a. at what time does the particle reverse direction? b. when is the displacement positive? (round one decimal place and answer in interval notation) c. when is the displacement negative? (round one decimal place and answer in interval notation) d. when is the particle’s acceleration positive? (round one decimal place and answer in interval notation) e. when is the particle’s acceleration negative? (round one decimal place and answer in interval notation)