Find the values of these fractions: i) area of triangle ABO/ area of triangle CBO

ii) area of triangle ABO/ area of triangle CDO

iii) area of triangle ABO/ area of trapezium ABCD

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anyone solve even one please i’m stuck

Which shows the pre image of triangle xyz

Icould really use some with this question.

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)