On a farm, 4 1/2 out of every 15 acres of land are used to grow crops. wheat is grown on 5/8 of the land used to grow crops. what percentage of the total area of the land on the farm is used to grow wheat?

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The position of a moving particle is given by the position function: f(t)=-9t-t^2-0.2t^3+0.1t^4 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)

What is the value of x in this triangle? a. 53° b. 62° c. 65° d. 118°