Translate each English phrase into an algebraic expression: 1. The quotient of r and the sum of s and 10

2. The quotient of A and the difference of 3 and B

3. The quotient of the difference of x and y, and -3

4. The quotient of the sum of m and n, and 4q

In what form is the following linear equation written y=9x+2

Can someone me and do the problem plz so i can understand it more better

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)