1. given tan Ø = 12/35 and sin Ø> 0 , find cos Ø 2. The point (- 9, 40) is on the terminal side of an angle in standard position Determine the exact value of sine of the angle

Solve 2x+y=3 x+y=5 in substitution method

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)

In an improper fraction, is the numerator equal to, less than, or greater than the denominator