A jewelry store is having a sale, and all items are 15% off. If a necklace was originally price at $85.00, what is the sale price?

Measure of angles 31 (x+4) (3x+9) me

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)

Find the solution(s) to the system of equations. select all that apply y=x^2-1 y=2x-2